No problem, we've got 4855 and 3387 to multiply
4855 × 3387 = 3387 × (4855)
+ 3387 × 5 resulting in 16935
+ 3387 × 50 what gives us 169350
+ 3387 × 800 yielding 2709600
+ 3387 × 4000 which equals 13548000

= 16443885
