Alright, let's work through 8780 times 7556 step by step
8780 × 7556 = 7556 × (8780)
+ 7556 × 0 that results in 0
+ 7556 × 80 that results in 604480
+ 7556 × 700 that equals 5289200
+ 7556 × 8000 which equals 60448000

= 66341680
