Alright, let's work through 4171 times 415 step by step
4171 × 415 = 415 × (4171)
+ 415 × 1 which equals 415
+ 415 × 70 what gives us 29050
+ 415 × 100 what gives us 41500
+ 415 × 4000 what gives us 1660000

= 1730965
