| 660 | x | 1 | = | 660 |
| 660 | x | 2 | = | 1320 |
| 660 | x | 3 | = | 1980 |
| 660 | x | 4 | = | 2640 |
| 660 | x | 5 | = | 3300 |
| 660 | x | 6 | = | 3960 |
| 660 | x | 7 | = | 4620 |
| 660 | x | 8 | = | 5280 |
| 660 | x | 9 | = | 5940 |
| 660 | x | 10 | = | 6600 |
| 660 | x | 11 | = | 7260 |
| 660 | x | 12 | = | 7920 |
| 660 | x | 13 | = | 8580 |
| 660 | x | 14 | = | 9240 |
| 660 | x | 15 | = | 9900 |
| 660 | x | 16 | = | 10560 |
| 660 | x | 17 | = | 11220 |
| 660 | x | 18 | = | 11880 |
| 660 | x | 19 | = | 12540 |
| 660 | x | 20 | = | 13200 |
| 660 | x | 21 | = | 13860 |
| 660 | x | 22 | = | 14520 |
| 660 | x | 23 | = | 15180 |
| 660 | x | 24 | = | 15840 |
| 660 | x | 25 | = | 16500 |
| 660 | x | 26 | = | 17160 |
| 660 | x | 27 | = | 17820 |
| 660 | x | 28 | = | 18480 |
| 660 | x | 29 | = | 19140 |
| 660 | x | 30 | = | 19800 |