Alright, let's work through 8620 times 525 step by step
8620 × 525 = 525 × (8620)
+ 525 × 0 producing 0
+ 525 × 20 producing 10500
+ 525 × 600 resulting in 315000
+ 525 × 8000 what gives us 4200000

= 4525500
