| ( | 27720 | x | + | 13860 | ) | ÷ | 13342 | = | 235 |
| 方程左边 = | 27720 | x | × | 1 13342 | + | 13860 | × | 1 13342 |
| = | 1980 953 | x | + | 990 953 |
1980 953 | x | + | 990 953 | = | 235 |
1980 953 | x | = | 235 | − | 990 953 |
1980 953 | x | = | 222965 953 |
| x | = | 222965 953 | ÷ | 1980 953 |
| = | 222965 953 | × | 953 1980 |
| = | 44593 953 | × | 953 396 |
| x | = | 42497129 377388 |
| x | = | 112.608586 |