We're going to solve 8540 multiplied by 6389
8540 × 6389 = 6389 × (8540)
+ 6389 × 0 what gives us 0
+ 6389 × 40 resulting in 255560
+ 6389 × 500 that results in 3194500
+ 6389 × 8000 yielding 51112000

= 54562060
