Alright, let's work through 8285 times 6542 step by step
8285 × 6542 = 6542 × (8285)
+ 6542 × 5 which equals 32710
+ 6542 × 80 that is equal 523360
+ 6542 × 200 which equals 1308400
+ 6542 × 8000 what gives us 52336000

= 54200470
