We're going to solve 7904 multiplied by 2680
7904 × 2680 = 2680 × (7904)
+ 2680 × 4 resulting in 10720
+ 2680 × 00 giving us 0
+ 2680 × 900 giving us 2412000
+ 2680 × 7000 producing 18760000

= 21182720
