Alright, let's work through 8530 times 7984 step by step
8530 × 7984 = 7984 × (8530)
+ 7984 × 0 yielding 0
+ 7984 × 30 giving us 239520
+ 7984 × 500 that is equal 3992000
+ 7984 × 8000 producing 63872000

= 68103520
