Alright, let's work through 8620 times 4538 step by step
8620 × 4538 = 4538 × (8620)
+ 4538 × 0 resulting in 0
+ 4538 × 20 producing 90760
+ 4538 × 600 which equals 2722800
+ 4538 × 8000 producing 36304000

= 39117560
