Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "2.8" was replaced by "(28/10)".

Step  1  :

            14
 Simplify   ——
            5 

Equation at the end of step  1  :

   14
  (—— • f) • t
   5 

Step  2  :

Final result :

  14ft
  ————
   5