We're going to solve 4159 multiplied by 1009
4159 × 1009 = 1009 × (4159)
+ 1009 × 9 producing 9081
+ 1009 × 50 that is equal 50450
+ 1009 × 100 yielding 100900
+ 1009 × 4000 yielding 4036000

= 4196431
