| 840 | x | 1 | = | 840 |
| 840 | x | 2 | = | 1680 |
| 840 | x | 3 | = | 2520 |
| 840 | x | 4 | = | 3360 |
| 840 | x | 5 | = | 4200 |
| 840 | x | 6 | = | 5040 |
| 840 | x | 7 | = | 5880 |
| 840 | x | 8 | = | 6720 |
| 840 | x | 9 | = | 7560 |
| 840 | x | 10 | = | 8400 |
| 840 | x | 11 | = | 9240 |
| 840 | x | 12 | = | 10080 |
| 840 | x | 13 | = | 10920 |
| 840 | x | 14 | = | 11760 |
| 840 | x | 15 | = | 12600 |
| 840 | x | 16 | = | 13440 |
| 840 | x | 17 | = | 14280 |
| 840 | x | 18 | = | 15120 |
| 840 | x | 19 | = | 15960 |
| 840 | x | 20 | = | 16800 |
| 840 | x | 21 | = | 17640 |
| 840 | x | 22 | = | 18480 |
| 840 | x | 23 | = | 19320 |
| 840 | x | 24 | = | 20160 |
| 840 | x | 25 | = | 21000 |
| 840 | x | 26 | = | 21840 |
| 840 | x | 27 | = | 22680 |
| 840 | x | 28 | = | 23520 |
| 840 | x | 29 | = | 24360 |
| 840 | x | 30 | = | 25200 |