We're going to solve 5205 multiplied by 4029
5205 × 4029 = 4029 × (5205)
+ 4029 × 5 what gives us 20145
+ 4029 × 00 giving us 0
+ 4029 × 200 giving us 805800
+ 4029 × 5000 resulting in 20145000

= 20970945
