We're going to solve 4289 multiplied by 7128
4289 × 7128 = 7128 × (4289)
+ 7128 × 9 that results in 64152
+ 7128 × 80 that results in 570240
+ 7128 × 200 that is equal 1425600
+ 7128 × 4000 resulting in 28512000

= 30571992
