Alright, let's work through 8509 times 6373 step by step
8509 × 6373 = 6373 × (8509)
+ 6373 × 9 that is equal 57357
+ 6373 × 00 that equals 0
+ 6373 × 500 which equals 3186500
+ 6373 × 8000 that is equal 50984000

= 54227857
