We're going to solve 4205 multiplied by 3105
4205 × 3105 = 3105 × (4205)
+ 3105 × 5 producing 15525
+ 3105 × 00 producing 0
+ 3105 × 200 that results in 621000
+ 3105 × 4000 that results in 12420000

= 13056525
