Alright, let's work through 8580 times 9388 step by step
8580 × 9388 = 9388 × (8580)
+ 9388 × 0 giving us 0
+ 9388 × 80 that results in 751040
+ 9388 × 500 that results in 4694000
+ 9388 × 8000 producing 75104000

= 80549040
