No problem, we've got 4063 and 6289 to multiply
4063 × 6289 = 6289 × (4063)
+ 6289 × 3 that is equal 18867
+ 6289 × 60 that equals 377340
+ 6289 × 000 that equals 0
+ 6289 × 4000 giving us 25156000

= 25552207
