Alright, let's work through 8620 times 1088 step by step
8620 × 1088 = 1088 × (8620)
+ 1088 × 0 that results in 0
+ 1088 × 20 what gives us 21760
+ 1088 × 600 that equals 652800
+ 1088 × 8000 what gives us 8704000

= 9378560
