Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "14.2" was replaced by "(142/10)".

Step  1  :

            71
 Simplify   ——
            5 

Equation at the end of step  1  :

  71
  —— • 45
  5 

Step  2  :

Final result :

  639