Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.8" was replaced by "(8/10)".

Step  1  :

            4
 Simplify   —
            5

Equation at the end of step  1  :

      4
  9 • —
      5

Step  2  :

Final result :

  36           
  —— = 7.20000 
  5