Alright, let's work through 8902 times 8687 step by step
8902 × 8687 = 8687 × (8902)
+ 8687 × 2 yielding 17374
+ 8687 × 00 what gives us 0
+ 8687 × 900 what gives us 7818300
+ 8687 × 8000 producing 69496000

= 77331674
