| ( | 1665 | − | 1 20 | x | − | 172673611 250000 | ) | × | 9 5 | × | 6 5 | × | 4 5 | × | 27 25 | = | 1873 |
| Left side of the equation = | ( | 1665 | − | 1 20 | x | − | 172673611 250000 | ) | × | 5832 3125 |
| ( | 1665 | − | 1 20 | x | − | 172673611 250000 | ) | × | 5832 3125 | = | 1873 |
| Left side of the equation = | 1665 | × | 5832 3125 | − | 1 20 | x | × | 5832 3125 | − | 172673611 250000 | × | 5832 3125 |