No problem, we've got 4320 and 3481 to multiply
4320 × 3481 = 3481 × (4320)
+ 3481 × 0 producing 0
+ 3481 × 20 that is equal 69620
+ 3481 × 300 what gives us 1044300
+ 3481 × 4000 resulting in 13924000

= 15037920
