| K | = | 269 | + | 269 50 | + | 1 100 | K | + | 61 10 | + | 1 5000 | K | + | 701 50 | + | 1 2000 | K | + | 269 5000 | K |
| 方程右边 = | 589 2 | + | 129 2000 | K |
| K | = | 589 2 | + | 129 2000 | K |
| K | − | 129 2000 | K | = | 589 2 |
1871 2000 | K | = | 589 2 |
| K | = | 589 2 | ÷ | 1871 2000 |
| = | 589 2 | × | 2000 1871 |
| = | 589 | × | 1000 1871 |
| K | = | 589000 1871 |
| K | = | 314.804917 |