Solution - Simplification or other simple results

Step  1  :

 1.1     57 = 3•19

(57)¹ = (3•19)¹ = 3 • 19

Equation at the end of step  1  :

Step  2  :

            (3•19)
 Simplify   ——————
              4   

Final result :

  57            
  —— = 14.25000 
  4