No problem, we've got 6466 and 8631 to multiply
6466 × 8631 = 8631 × (6466)
+ 8631 × 6 giving us 51786
+ 8631 × 60 which equals 517860
+ 8631 × 400 resulting in 3452400
+ 8631 × 6000 what gives us 51786000

= 55808046
