Alright, let's work through 3157 times 3797 step by step
3157 × 3797 = 3797 × (3157)
+ 3797 × 7 that results in 26579
+ 3797 × 50 yielding 189850
+ 3797 × 100 that equals 379700
+ 3797 × 3000 which equals 11391000

= 11987129
