Alright, let's work through 8784 times 4521 step by step
8784 × 4521 = 4521 × (8784)
+ 4521 × 4 that is equal 18084
+ 4521 × 80 that is equal 361680
+ 4521 × 700 that is equal 3164700
+ 4521 × 8000 producing 36168000

= 39712464
