Alright, let's work through 8445 times 8531 step by step
8445 × 8531 = 8531 × (8445)
+ 8531 × 5 that results in 42655
+ 8531 × 40 resulting in 341240
+ 8531 × 400 that is equal 3412400
+ 8531 × 8000 producing 68248000

= 72044295
