Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.0000042" was replaced by "(0000042/10000000)".

Step  1  :

               21  
 Simplify   ———————
            5000000

Final result :

     21             
  ——————— = 0.00000 
  5000000