Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (72) • 76

Step  2  :

Equation at the end of step  2  :

  72 • 76

Step  3  :

Multiplying exponents :

 3.1    7²  multiplied by  7⁶   = 7^{(2 + 6)} = 7⁸

Final result :

  78