Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            3

Equation at the end of step  1  :

   64    1
  ———— • —
  1000   3

Step  2  :

             8 
 Simplify   ———
            125

Equation at the end of step  2  :

   8    1
  ——— • —
  125   3

Step  3  :

Final result :

   8            
  ——— = 0.02133 
  375