Alright, let's work through 8100 times 495 step by step
8100 × 495 = 495 × (8100)
+ 495 × 0 giving us 0
+ 495 × 00 which equals 0
+ 495 × 100 that is equal 49500
+ 495 × 8000 that equals 3960000

= 4009500
