| 280 | x | 1 | = | 280 |
| 280 | x | 2 | = | 560 |
| 280 | x | 3 | = | 840 |
| 280 | x | 4 | = | 1120 |
| 280 | x | 5 | = | 1400 |
| 280 | x | 6 | = | 1680 |
| 280 | x | 7 | = | 1960 |
| 280 | x | 8 | = | 2240 |
| 280 | x | 9 | = | 2520 |
| 280 | x | 10 | = | 2800 |
| 280 | x | 11 | = | 3080 |
| 280 | x | 12 | = | 3360 |
| 280 | x | 13 | = | 3640 |
| 280 | x | 14 | = | 3920 |
| 280 | x | 15 | = | 4200 |
| 280 | x | 16 | = | 4480 |
| 280 | x | 17 | = | 4760 |
| 280 | x | 18 | = | 5040 |
| 280 | x | 19 | = | 5320 |
| 280 | x | 20 | = | 5600 |
