Alright, let's work through 9995 times 3150 step by step
9995 × 3150 = 3150 × (9995)
+ 3150 × 5 that results in 15750
+ 3150 × 90 that results in 283500
+ 3150 × 900 what gives us 2835000
+ 3150 × 9000 producing 28350000

= 31484250
