Alright, let's work through 8887 times 8739 step by step
8887 × 8739 = 8739 × (8887)
+ 8739 × 7 which equals 61173
+ 8739 × 80 producing 699120
+ 8739 × 800 producing 6991200
+ 8739 × 8000 yielding 69912000

= 77663493
