Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.07" was replaced by "(07/100)".

Step  1  :

             7 
 Simplify   ———
            100

Equation at the end of step  1  :

   7 
  ——— • 12000
  100

Step  2  :

Final result :

  840