| 2520000000 | = | 143 10 | × | 500 | x | ( | 1130 | − | x | ÷ | 2 | ) | + | 360 | × | 1964 |
| Right side of the equation = | 7150 | x | ( | 1130 | − | x | ÷ | 2 | ) | + | 707040 |
| 2520000000 | = | 7150 | x | ( | 1130 | − | x | ÷ | 2 | ) | + | 707040 |
| Right side of the equation = | 7150 | x | × | 1130 | − | 7150 | x | x | ÷ | 2 | + | 707040 |
| = | 8079500 | x | − | 3575 | x | x | + | 707040 |
| 2520000000 | = | 8079500 | x | − | 3575 | x | x | + | 707040 |