| 680 | x | 1 | = | 680 |
| 680 | x | 2 | = | 1360 |
| 680 | x | 3 | = | 2040 |
| 680 | x | 4 | = | 2720 |
| 680 | x | 5 | = | 3400 |
| 680 | x | 6 | = | 4080 |
| 680 | x | 7 | = | 4760 |
| 680 | x | 8 | = | 5440 |
| 680 | x | 9 | = | 6120 |
| 680 | x | 10 | = | 6800 |
| 680 | x | 11 | = | 7480 |
| 680 | x | 12 | = | 8160 |
| 680 | x | 13 | = | 8840 |
| 680 | x | 14 | = | 9520 |
| 680 | x | 15 | = | 10200 |
| 680 | x | 16 | = | 10880 |
| 680 | x | 17 | = | 11560 |
| 680 | x | 18 | = | 12240 |
| 680 | x | 19 | = | 12920 |
| 680 | x | 20 | = | 13600 |
| 680 | x | 21 | = | 14280 |
| 680 | x | 22 | = | 14960 |
| 680 | x | 23 | = | 15640 |
| 680 | x | 24 | = | 16320 |
| 680 | x | 25 | = | 17000 |
| 680 | x | 26 | = | 17680 |
| 680 | x | 27 | = | 18360 |
| 680 | x | 28 | = | 19040 |
| 680 | x | 29 | = | 19720 |
| 680 | x | 30 | = | 20400 |