Solution - Simplification or other simple results

Step  1  :

 1.1     9 = 32

(9)⁴ = (3²)⁴ = 3⁸

Equation at the end of step  1  :

  (94) +  38

Step  2  :

 2.1     9 = 32

(9)⁴ = (3²)⁴ = 3⁸

Equation at the end of step  2  :

  38 +  38

Step  3  :

Final result :

  13122