Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "d2"   was replaced by   "d^2". 

(2): "0.6" was replaced by "(6/10)".

Step  1  :

            3
 Simplify   —
            5

Equation at the end of step  1  :

               3
  ((d2) • f) • —
               5

Step  2  :

Final result :

  3d2f
  ————
   5