Alright, let's work through 4078 times 9520 step by step
4078 × 9520 = 9520 × (4078)
+ 9520 × 8 that is equal 76160
+ 9520 × 70 yielding 666400
+ 9520 × 000 producing 0
+ 9520 × 4000 yielding 38080000

= 38822560
