No problem, we've got 8420 and 7591 to multiply
8420 × 7591 = 7591 × (8420)
+ 7591 × 0 that results in 0
+ 7591 × 20 resulting in 151820
+ 7591 × 400 producing 3036400
+ 7591 × 8000 that results in 60728000

= 63916220
