Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "d8"   was replaced by   "d^8". 

Step  1  :

            d8
 Simplify   ——
            9 

Equation at the end of step  1  :

    1             d8
  ((— • a) • n) • ——
    6             9 

Step  2  :

            1
 Simplify   —
            6

Equation at the end of step  2  :

    1             d8
  ((— • a) • n) • ——
    6             9 

Step  3  :

Final result :

  and8
  ————
   54