Alright, let's work through 8778 times 9491 step by step
8778 × 9491 = 9491 × (8778)
+ 9491 × 8 giving us 75928
+ 9491 × 70 that equals 664370
+ 9491 × 700 which equals 6643700
+ 9491 × 8000 producing 75928000

= 83311998
