No problem, we've got 6487 and 7788 to multiply
6487 × 7788 = 7788 × (6487)
+ 7788 × 7 which equals 54516
+ 7788 × 80 what gives us 623040
+ 7788 × 400 producing 3115200
+ 7788 × 6000 producing 46728000

= 50520756
