We're going to solve 7140 multiplied by 2856
7140 × 2856 = 2856 × (7140)
+ 2856 × 0 which equals 0
+ 2856 × 40 yielding 114240
+ 2856 × 100 what gives us 285600
+ 2856 × 7000 which equals 19992000

= 20391840
