Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "7.8" was replaced by "(78/10)".

Step  1  :

            39
 Simplify   ——
            5 

Equation at the end of step  1  :

  39
  —— • 10
  5 

Step  2  :

Final result :

  78