No problem, we've got 4636 and 3645 to multiply
4636 × 3645 = 3645 × (4636)
+ 3645 × 6 what gives us 21870
+ 3645 × 30 what gives us 109350
+ 3645 × 600 that results in 2187000
+ 3645 × 4000 producing 14580000

= 16898220
