Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "4.2" was replaced by "(42/10)".

Step  1  :

            21
 Simplify   ——
            5 

Equation at the end of step  1  :

       21
  89 • ——
       5 

Step  2  :

Final result :

  1869             
  ———— = 373.80000 
   5