Alright, let's work through 5078 times 8540 step by step
5078 × 8540 = 8540 × (5078)
+ 8540 × 8 that is equal 68320
+ 8540 × 70 that results in 597800
+ 8540 × 000 yielding 0
+ 8540 × 5000 which equals 42700000

= 43366120
