We're going to solve 5129 multiplied by 4145
5129 × 4145 = 4145 × (5129)
+ 4145 × 9 producing 37305
+ 4145 × 20 yielding 82900
+ 4145 × 100 that results in 414500
+ 4145 × 5000 that results in 20725000

= 21259705
