Alright, let's work through 4270 times 3932 step by step
4270 × 3932 = 3932 × (4270)
+ 3932 × 0 what gives us 0
+ 3932 × 70 giving us 275240
+ 3932 × 200 which equals 786400
+ 3932 × 4000 yielding 15728000

= 16789640
