Alright, let's work through 3955 times 3174 step by step
3955 × 3174 = 3174 × (3955)
+ 3174 × 5 giving us 15870
+ 3174 × 50 what gives us 158700
+ 3174 × 900 what gives us 2856600
+ 3174 × 3000 giving us 9522000

= 12553170
