No problem, we've got 7112 and 3015 to multiply
7112 × 3015 = 3015 × (7112)
+ 3015 × 2 that equals 6030
+ 3015 × 10 what gives us 30150
+ 3015 × 100 producing 301500
+ 3015 × 7000 producing 21105000

= 21442680
