| A | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 9 100 | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 9 100 | × | 12 100 | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 9 100 | × | 12 100 | = | 63602321 200 |
| Multiply both sides of the equation by: | ( | 1 | + | 9 100 | ) |
| A | ( | 1 | + | 9 100 | ) | − | A | × | 9 100 | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 9 100 | × | 12 100 | ( | 1 | + | 9 100 | ) | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 9 100 | = | 63602321 200 | ( | 1 | + | 9 100 | ) |
| A | × | 1 | + | A | × | 9 100 | − | A | × | 9 100 | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 9 100 | × | 12 100 | ( | 1 | + | 9 100 | ) | − | A | = | 63602321 200 | ( | 1 | + | 9 100 | ) |
| A | × | 1 | + | A | × | 9 100 | − | A | × | 9 100 | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 9 100 | × | 12 100 | ( | 1 | + | 9 100 | ) | − | A | = | 63602321 200 | × | 1 | + | 63602321 200 | × | 9 100 |
| A | × | 1 | + | A | × | 9 100 | − | A | × | 9 100 | − | A | ÷ | ( | 1 | + | 9 100 | ) | × | 27 2500 | ( | 1 | + | 9 100 | ) | − | A | ÷ | ( | 1 | + | 9 100 | ) | = | 63602321 200 | + | 572420889 20000 |