Alright, let's work through 9077 times 7840 step by step
9077 × 7840 = 7840 × (9077)
+ 7840 × 7 yielding 54880
+ 7840 × 70 resulting in 548800
+ 7840 × 000 that is equal 0
+ 7840 × 9000 which equals 70560000

= 71163680
