No problem, we've got 4189 and 3502 to multiply
4189 × 3502 = 3502 × (4189)
+ 3502 × 9 that is equal 31518
+ 3502 × 80 what gives us 280160
+ 3502 × 100 producing 350200
+ 3502 × 4000 yielding 14008000

= 14669878
