Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (162) +  22

Step  2  :

 2.1     16 = 24

(16)² = (2⁴)² = 2⁸

Equation at the end of step  2  :

  28 +  22

Step  3  :

Final result :

  260