Alright, let's work through 3173 times 2138 step by step
3173 × 2138 = 2138 × (3173)
+ 2138 × 3 producing 6414
+ 2138 × 70 what gives us 149660
+ 2138 × 100 that results in 213800
+ 2138 × 3000 that results in 6414000

= 6783874
