Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "31.5" was replaced by "(315/10)".

Step  1  :

            63
 Simplify   ——
            2 

Equation at the end of step  1  :

   63
  (—— • f) • t
   2 

Step  2  :

Final result :

  63ft
  ————
   2