Alright, let's work through 1670 times 8839 step by step
1670 × 8839 = 8839 × (1670)
+ 8839 × 0 giving us 0
+ 8839 × 70 producing 618730
+ 8839 × 600 what gives us 5303400
+ 8839 × 1000 yielding 8839000

= 14761130
