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

[EX Q]: Problem: a certain bacteria colony doubles in size every day for 25 days , at which point it reaches the limit of its habitat and can no longer grow . if two bacteria colonies start growing simultaneously , how many days will it take them to reach the habitat ’ s limit ?
[EX A]: 2

[EX Q]: Problem: a train traveling at 72 kmph crosses a platform in 33 seconds and a man standing on the platform in 18 seconds . what is the length of the platform in meters ?
[EX A]: 300 meters

[EX Q]: Problem: what is the sum of all possible solutions to | x - 3 | ^ 2 + | x - 3 | = 12 ?
[EX A]:
5