Alright, let's work through 8157 times 7995 step by step
8157 × 7995 = 7995 × (8157)
+ 7995 × 7 that is equal 55965
+ 7995 × 50 which equals 399750
+ 7995 × 100 that results in 799500
+ 7995 × 8000 what gives us 63960000

= 65215215
