No problem, we've got 6346 and 8638 to multiply
6346 × 8638 = 8638 × (6346)
+ 8638 × 6 that results in 51828
+ 8638 × 40 which equals 345520
+ 8638 × 300 resulting in 2591400
+ 8638 × 6000 yielding 51828000

= 54816748
