We're going to solve 3902 multiplied by 8015
3902 × 8015 = 8015 × (3902)
+ 8015 × 2 giving us 16030
+ 8015 × 00 producing 0
+ 8015 × 900 what gives us 7213500
+ 8015 × 3000 what gives us 24045000

= 31274530
