No problem, we've got 4051 and 6387 to multiply
4051 × 6387 = 6387 × (4051)
+ 6387 × 1 giving us 6387
+ 6387 × 50 producing 319350
+ 6387 × 000 which equals 0
+ 6387 × 4000 resulting in 25548000

= 25873737
