No problem, we've got 6463 and 6715 to multiply
6463 × 6715 = 6715 × (6463)
+ 6715 × 3 yielding 20145
+ 6715 × 60 yielding 402900
+ 6715 × 400 which equals 2686000
+ 6715 × 6000 what gives us 40290000

= 43399045
