Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            3

Equation at the end of step  1  :

        1         1
  ((4 • —) • 1) • —
        6         3

Step  2  :

            1
 Simplify   —
            6

Equation at the end of step  2  :

        1         1
  ((4 • —) • 1) • —
        6         3

Step  3  :

Final result :

  2           
  — = 0.22222 
  9