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

Input: Consider Input: Problem: the probability is 1 / 2 that a certain coin turns up heads on any given toss . if the coin is tossed 6 times , what is the probability that the coin turns up tails on at least one of the tosses ?

Output: 63 / 64


Input: Consider Input: Problem: in a university the average age in an arts class is 21 and average age in technical class is 18 . what is the age average of university if there are 8 arts classes and 5 technical classes ?

Output: 19.85


Input: Consider Input: Problem: | x + 3 | – | 4 - x | = | 8 + x | how many x solutions will this equation have ?


Output: 0