We're going to solve 7715 multiplied by 8172
7715 × 8172 = 8172 × (7715)
+ 8172 × 5 that equals 40860
+ 8172 × 10 that equals 81720
+ 8172 × 700 yielding 5720400
+ 8172 × 7000 resulting in 57204000

= 63046980
