No problem, we've got 4032 and 3645 to multiply
4032 × 3645 = 3645 × (4032)
+ 3645 × 2 what gives us 7290
+ 3645 × 30 that is equal 109350
+ 3645 × 000 giving us 0
+ 3645 × 4000 yielding 14580000

= 14696640
