| 188 | × | 1000 | × | 822 | = | 69 5 | × | 300 | x | ( | 360 | − | 1 2 | x | ) | + | 330 | × | 628 | × | 320 |
| Left side of the equation = | 154536000 |
| 154536000 | = | 69 5 | × | 300 | x | ( | 360 | − | 1 2 | x | ) | + | 330 | × | 628 | × | 320 |
| Right side of the equation = | 4140 | x | ( | 360 | − | 1 2 | x | ) | + | 66316800 |
| 154536000 | = | 4140 | x | ( | 360 | − | 1 2 | x | ) | + | 66316800 |
| Right side of the equation = | 4140 | x | × | 360 | − | 4140 | x | × | 1 2 | x | + | 66316800 |
| = | 1490400 | x | − | 2070 | x | x | + | 66316800 |
| 154536000 | = | 1490400 | x | − | 2070 | x | x | + | 66316800 |