| 3595200000 | = | 112 5 | × | 2000 | X | ( | 1680 | − | 1 2 | X | ) |
| Right side of the equation = | 44800 | X | ( | 1680 | − | 1 2 | X | ) |
| 3595200000 | = | 44800 | X | ( | 1680 | − | 1 2 | X | ) |
| Right side of the equation = | 44800 | X | × | 1680 | − | 44800 | X | × | 1 2 | X |
| = | 75264000 | X | − | 22400 | X | X |
| 3595200000 | = | 75264000 | X | − | 22400 | X | X |