Alright, let's work through 1670 times 3711 step by step
1670 × 3711 = 3711 × (1670)
+ 3711 × 0 producing 0
+ 3711 × 70 giving us 259770
+ 3711 × 600 resulting in 2226600
+ 3711 × 1000 yielding 3711000

= 6197370
