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

[EX Q]: Problem: if the sides of a triangle are 26 cm , 24 cm and 15 cm , what is its area ?
[EX A]: 180

[EX Q]: Problem: ? x 12 = 173 x 240
[EX A]: 3460

[EX Q]: Problem: the arithmetic mean and standard deviation of a certain normal distribution are 14.5 and 1.7 , respectively . what value is exactly 2 standard deviations less than the mean ?
[EX A]:
11.1