We're going to solve 8540 multiplied by 4538
8540 × 4538 = 4538 × (8540)
+ 4538 × 0 that results in 0
+ 4538 × 40 resulting in 181520
+ 4538 × 500 what gives us 2269000
+ 4538 × 8000 yielding 36304000

= 38754520
