We're going to solve 3340 multiplied by 2124
3340 × 2124 = 2124 × (3340)
+ 2124 × 0 which equals 0
+ 2124 × 40 yielding 84960
+ 2124 × 300 resulting in 637200
+ 2124 × 3000 which equals 6372000

= 7094160
