Alright, let's work through 6831 times 2057 step by step
6831 × 2057 = 2057 × (6831)
+ 2057 × 1 that equals 2057
+ 2057 × 30 resulting in 61710
+ 2057 × 800 that equals 1645600
+ 2057 × 6000 yielding 12342000

= 14051367
