We're going to solve 2640 multiplied by 7120
2640 × 7120 = 7120 × (2640)
+ 7120 × 0 that results in 0
+ 7120 × 40 producing 284800
+ 7120 × 600 yielding 4272000
+ 7120 × 2000 that results in 14240000

= 18796800
