No problem, we've got 4051 and 4551 to multiply
4051 × 4551 = 4551 × (4051)
+ 4551 × 1 yielding 4551
+ 4551 × 50 what gives us 227550
+ 4551 × 000 that equals 0
+ 4551 × 4000 that equals 18204000

= 18436101
