Alright, let's work through 7780 times 8765 step by step
7780 × 8765 = 8765 × (7780)
+ 8765 × 0 yielding 0
+ 8765 × 80 producing 701200
+ 8765 × 700 giving us 6135500
+ 8765 × 7000 that results in 61355000

= 68191700
