Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (326 • 3) -  7

Step  2  :

Multiplying exponents :

 2.1    3²⁶  multiplied by  3¹   = 3^{(26 + 1)} = 3²⁷

Equation at the end of step  2  :

  327 -  7

Step  3  :

Final result :

  3 - 7