Alright, let's work through 4031 times 3643 step by step
4031 × 3643 = 3643 × (4031)
+ 3643 × 1 that equals 3643
+ 3643 × 30 that equals 109290
+ 3643 × 000 that results in 0
+ 3643 × 4000 what gives us 14572000

= 14684933
