| 900 | × | 49 5 | h | + | 50000 | + | 75 | ÷ | 359 | × | 2 | × | 20 | × | 900 | × | 51 25 | × | 51 25 | = | 101300 |
| 方程左边 = | 8820 | h | + | 50000 | + | 11236320 359 |
| = | 8820 | h | + | 29186320 359 |
| 8820 | h | + | 29186320 359 | = | 101300 |
| 8820 | h | = | 101300 | − | 29186320 359 |
| 8820 | h | = | 7180380 359 |
| h | = | 7180380 359 | ÷ | 8820 |
| = | 7180380 359 | × | 1 8820 |
| = | 39891 359 | × | 1 49 |
| h | = | 39891 17591 |
| h | = | 2.267694 |