We're going to solve 4320 multiplied by 2921
4320 × 2921 = 2921 × (4320)
+ 2921 × 0 what gives us 0
+ 2921 × 20 giving us 58420
+ 2921 × 300 giving us 876300
+ 2921 × 4000 resulting in 11684000

= 12618720
