Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.0000002" was replaced by "(0000002/10000000)".

Step  1  :

               1   
 Simplify   ———————
            5000000

Equation at the end of step  1  :

            1   
  4200 • ———————
         5000000

Step  2  :

Final result :

    4200            
  ——————— = 0.00084 
  5000000