No problem, we've got 3520 and 4243 to multiply
3520 × 4243 = 4243 × (3520)
+ 4243 × 0 producing 0
+ 4243 × 20 what gives us 84860
+ 4243 × 500 yielding 2121500
+ 4243 × 3000 resulting in 12729000

= 14935360
