Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-3" was replaced by "^(-3)".

Step  1  :

 1.1     9 = 32

(9)^-3 = (3²)^(-3) = (3)^(-6)

Final result :

   1           
  —— = 0.00137 
  36