21 multiplied by 661 is 13881
21 × 661 = 13881
Explanation: Multiplication is repeated addition. So, 21 × 661 means adding 21, 661 times:
21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 = 13881
Word Problem Style
If you have 661 boxes and each box contains 21 apples, then the total number of apples is 13881.
Quick Facts
- 21 is called the multiplicand.
- 661 is called the multiplier.
- The result, 13881, is called the product.
Multiplication Table for 21
| 21 × N | Result |
|---|---|
| 21 × 1 | 21 |
| 21 × 2 | 42 |
| 21 × 3 | 63 |
| 21 × 4 | 84 |
| 21 × 5 | 105 |
| 21 × 6 | 126 |
| 21 × 7 | 147 |
| 21 × 8 | 168 |
| 21 × 9 | 189 |
| 21 × 10 | 210 |
| 21 × 11 | 231 |
| 21 × 12 | 252 |