Alright, let's work through 7528 times 8635 step by step
7528 × 8635 = 8635 × (7528)
+ 8635 × 8 producing 69080
+ 8635 × 20 that is equal 172700
+ 8635 × 500 yielding 4317500
+ 8635 × 7000 yielding 60445000

= 65004280
