Solution - Simplification or other simple results

Step  1  :

             1
 Simplify   ——
            26

Equation at the end of step  1  :

   2    1
  —— • ——
  52   26

Step  2  :

             1
 Simplify   ——
            26

Equation at the end of step  2  :

   1    1
  —— • ——
  26   26

Step  3  :

Final result :

   1            
  ——— = 0.00148 
  676