Alright, let's work through 8220 times 9574 step by step
8220 × 9574 = 9574 × (8220)
+ 9574 × 0 yielding 0
+ 9574 × 20 producing 191480
+ 9574 × 200 that equals 1914800
+ 9574 × 8000 producing 76592000

= 78698280
