Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "5.25" was replaced by "(525/100)".

Step  1  :

            21
 Simplify   ——
            4 

Equation at the end of step  1  :

       21
  42 • ——
       4 

Step  2  :

Final result :

  441             
  ——— = 220.50000 
   2