We're going to solve 3423 multiplied by 2157
3423 × 2157 = 2157 × (3423)
+ 2157 × 3 giving us 6471
+ 2157 × 20 giving us 43140
+ 2157 × 400 that equals 862800
+ 2157 × 3000 that is equal 6471000

= 7383411
