Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.00045" was replaced by "(00045/100000)".

Step  1  :

              9  
 Simplify   —————
            20000

Equation at the end of step  1  :

     9  
  (————— • k) • g
   20000

Step  2  :

Final result :

   9kg 
  —————
  20000