Tabla del 40
| 40 | X | 1 | = | 40 |
| 40 | X | 2 | = | 80 |
| 40 | X | 3 | = | 120 |
| 40 | X | 4 | = | 160 |
| 40 | X | 5 | = | 200 |
| 40 | X | 6 | = | 240 |
| 40 | X | 7 | = | 280 |
| 40 | X | 8 | = | 320 |
| 40 | X | 9 | = | 360 |
| 40 | X | 10 | = | 400 |
| 40 | X | 1 | = | 40 |
| 40 | X | 2 | = | 80 |
| 40 | X | 3 | = | 120 |
| 40 | X | 4 | = | 160 |
| 40 | X | 5 | = | 200 |
| 40 | X | 6 | = | 240 |
| 40 | X | 7 | = | 280 |
| 40 | X | 8 | = | 320 |
| 40 | X | 9 | = | 360 |
| 40 | X | 10 | = | 400 |