No problem, we've got 8640 and 8105 to multiply
8640 × 8105 = 8105 × (8640)
+ 8105 × 0 yielding 0
+ 8105 × 40 that results in 324200
+ 8105 × 600 resulting in 4863000
+ 8105 × 8000 giving us 64840000

= 70027200
