Alright, let's work through 8539 times 9597 step by step
8539 × 9597 = 9597 × (8539)
+ 9597 × 9 producing 86373
+ 9597 × 30 yielding 287910
+ 9597 × 500 that equals 4798500
+ 9597 × 8000 producing 76776000

= 81948783
