Alright, let's work through 8526 times 645 step by step
8526 × 645 = 645 × (8526)
+ 645 × 6 that equals 3870
+ 645 × 20 which equals 12900
+ 645 × 500 yielding 322500
+ 645 × 8000 resulting in 5160000

= 5499270
