Alright, let's work through 9645 times 8497 step by step
9645 × 8497 = 8497 × (9645)
+ 8497 × 5 that equals 42485
+ 8497 × 40 yielding 339880
+ 8497 × 600 what gives us 5098200
+ 8497 × 9000 giving us 76473000

= 81953565
