Alright, let's work through 4487 times 5111 step by step
4487 × 5111 = 5111 × (4487)
+ 5111 × 7 which equals 35777
+ 5111 × 80 resulting in 408880
+ 5111 × 400 what gives us 2044400
+ 5111 × 4000 what gives us 20444000

= 22933057
