Alright, let's work through 8657 times 4872 step by step
8657 × 4872 = 4872 × (8657)
+ 4872 × 7 what gives us 34104
+ 4872 × 50 that equals 243600
+ 4872 × 600 which equals 2923200
+ 4872 × 8000 resulting in 38976000

= 42176904
