Alright, let's work through 4072 times 7808 step by step
4072 × 7808 = 7808 × (4072)
+ 7808 × 2 producing 15616
+ 7808 × 70 yielding 546560
+ 7808 × 000 resulting in 0
+ 7808 × 4000 giving us 31232000

= 31794176
