No problem, we've got 7120 and 2391 to multiply
7120 × 2391 = 2391 × (7120)
+ 2391 × 0 giving us 0
+ 2391 × 20 giving us 47820
+ 2391 × 100 producing 239100
+ 2391 × 7000 giving us 16737000

= 17023920
