Alright, let's work through 3117 times 331 step by step
3117 × 331 = 331 × (3117)
+ 331 × 7 that equals 2317
+ 331 × 10 resulting in 3310
+ 331 × 100 what gives us 33100
+ 331 × 3000 that equals 993000

= 1031727
