We're going to solve 2121 multiplied by 4351
2121 × 4351 = 4351 × (2121)
+ 4351 × 1 that results in 4351
+ 4351 × 20 giving us 87020
+ 4351 × 100 that results in 435100
+ 4351 × 2000 that results in 8702000

= 9228471
