Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "7.5" was replaced by "(75/10)". 2 more similar replacement(s)

Step  1  :

            15
 Simplify   ——
            2 

Equation at the end of step  1  :

  5624   15
  ———— • ——
  100    2 

Step  2  :

            1406
 Simplify   ————
             25 

Equation at the end of step  2  :

  1406   15
  ———— • ——
   25    2 

Step  3  :

Final result :

  2109             
  ———— = 421.80000 
   5