Alright, let's work through 8643 times 4662 step by step
8643 × 4662 = 4662 × (8643)
+ 4662 × 3 what gives us 13986
+ 4662 × 40 what gives us 186480
+ 4662 × 600 yielding 2797200
+ 4662 × 8000 that is equal 37296000

= 40293666
