We're going to solve 5642 multiplied by 3605
5642 × 3605 = 3605 × (5642)
+ 3605 × 2 that is equal 7210
+ 3605 × 40 that results in 144200
+ 3605 × 600 yielding 2163000
+ 3605 × 5000 producing 18025000

= 20339410
