Solution - Simplification or other simple results

Step  1  :

              1 
 Simplify   ————
            1000

Equation at the end of step  1  :

   1     1 
  —— • ————
  27   1000

Step  2  :

             1
 Simplify   ——
            27

Equation at the end of step  2  :

   1     1 
  —— • ————
  27   1000

Step  3  :

Final result :

    1             
  ————— = 0.00004 
  27000