161 10 | × | 1640 | x | ( | 1367 | − | x | ÷ | 2 | ) | = | 36104651 10000 |
| Left side of the equation = | 26404 | x | ( | 1367 | − | x | ÷ | 2 | ) |
| 26404 | x | ( | 1367 | − | x | ÷ | 2 | ) | = | 36104651 10000 |
| Left side of the equation = | 26404 | x | × | 1367 | − | 26404 | x | x | ÷ | 2 |
| = | 36094268 | x | − | 13202 | x | x |
| 36094268 | x | − | 13202 | x | x | = | 36104651 10000 |