The task is to generate the correct answer for a given math problem.

[EX Q]: Problem: a cylindrical can has a radius of 3 centimeters and a height of 24 centimeters . what is the area , in square centimeters , of a rectangular label that completely covers the curved surface of the can without over - lapping ?
[EX A]: 144 pi', 'e ) 576 pi'

[EX Q]: Problem: if p / q = 3 / 11 , then 2 p + q = ?
[EX A]: 17

[EX Q]: Problem: if a and b are the roots of the equation x 2 - 9 x + 9 = 0 , then the value of a 2 + b 2 is :
[EX A]:
63