No problem, we've got 4101 and 6389 to multiply
4101 × 6389 = 6389 × (4101)
+ 6389 × 1 yielding 6389
+ 6389 × 00 giving us 0
+ 6389 × 100 resulting in 638900
+ 6389 × 4000 that equals 25556000

= 26201289
