No problem, we've got 8065 and 9984 to multiply
8065 × 9984 = 9984 × (8065)
+ 9984 × 5 that results in 49920
+ 9984 × 60 which equals 599040
+ 9984 × 000 what gives us 0
+ 9984 × 8000 producing 79872000

= 80520960
