No problem, we've got 3660 and 4245 to multiply
3660 × 4245 = 4245 × (3660)
+ 4245 × 0 that results in 0
+ 4245 × 60 resulting in 254700
+ 4245 × 600 that results in 2547000
+ 4245 × 3000 that is equal 12735000

= 15536700
