We're going to solve 1686 multiplied by 3147
1686 × 3147 = 3147 × (1686)
+ 3147 × 6 resulting in 18882
+ 3147 × 80 yielding 251760
+ 3147 × 600 yielding 1888200
+ 3147 × 1000 resulting in 3147000

= 5305842
