We're going to solve 3685 multiplied by 3585
3685 × 3585 = 3585 × (3685)
+ 3585 × 5 producing 17925
+ 3585 × 80 that is equal 286800
+ 3585 × 600 yielding 2151000
+ 3585 × 3000 that is equal 10755000

= 13210725
