Alright, let's work through 5422 times 5128 step by step
5422 × 5128 = 5128 × (5422)
+ 5128 × 2 yielding 10256
+ 5128 × 20 that is equal 102560
+ 5128 × 400 giving us 2051200
+ 5128 × 5000 yielding 25640000

= 27804016
