| 56 | × | 90 100 | Q | − | 40 | Q | − | 580 | − | ( | 56 | × | 90 100 | × | 13 100 | − | 5 | ) | × | 12 100 | Q | = | 60 |
| Left side of the equation = | 252 5 | Q | − | 40 | Q | − | 580 | − | ( | 56 | × | 90 100 | × | 13 100 | − | 5 | ) | × | 12 100 | Q |
| = | 52 5 | Q | − | 580 | − | ( | 56 | × | 90 100 | × | 13 100 | − | 5 | ) | × | 12 100 | Q |
52 5 | Q | − | 580 | − | ( | 56 | × | 90 100 | × | 13 100 | − | 5 | ) | × | 12 100 | Q | = | 60 |
| Left side of the equation = | 52 5 | Q | − | 580 | − | 56 | × | 90 100 | × | 13 100 | × | 12 100 | Q | + | 5 | × | 12 100 | Q |
| = | 52 5 | Q | − | 580 | − | 2457 3125 | Q | + | 3 5 | Q |
| = | 31918 3125 | Q | − | 580 |
31918 3125 | Q | − | 580 | = | 60 |
31918 3125 | Q | = | 60 | + | 580 |
31918 3125 | Q | = | 640 |
| Q | = | 640 | ÷ | 31918 3125 |
| = | 640 | × | 3125 31918 |
| = | 320 | × | 3125 15959 |
| Q | = | 1000000 15959 |
| Q | = | 62.660568 |