We're going to solve 2121 multiplied by 3457
2121 × 3457 = 3457 × (2121)
+ 3457 × 1 that equals 3457
+ 3457 × 20 resulting in 69140
+ 3457 × 100 that equals 345700
+ 3457 × 2000 resulting in 6914000

= 7332297
