| 2227000000 | = | 69 5 | × | 1650 | x | ( | 1200 | − | x | ÷ | 2 | ) |
| Right side of the equation = | 22770 | x | ( | 1200 | − | x | ÷ | 2 | ) |
| 2227000000 | = | 22770 | x | ( | 1200 | − | x | ÷ | 2 | ) |
| Right side of the equation = | 22770 | x | × | 1200 | − | 22770 | x | x | ÷ | 2 |
| = | 27324000 | x | − | 11385 | x | x |
| 2227000000 | = | 27324000 | x | − | 11385 | x | x |