Alright, let's work through 8787 times 8858 step by step
8787 × 8858 = 8858 × (8787)
+ 8858 × 7 yielding 62006
+ 8858 × 80 producing 708640
+ 8858 × 700 producing 6200600
+ 8858 × 8000 giving us 70864000

= 77835246
