Solution - Simplification or other simple results

Step  1  :

            22
 Simplify   ——
            7 

Equation at the end of step  1  :

   4   22
  (— • ——) • 512
   3   7 

Step  2  :

            4
 Simplify   —
            3

Equation at the end of step  2  :

   4   22
  (— • ——) • 512
   3   7 

Step  3  :

Final result :

  45056              
  ————— = 2145.52381 
   21