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

Input: Consider Input: Problem: the number of singles that a baseball player hit increased 10 percent from her first season to her second season , and the number of doubles that she hit in the same time period decreased by 1 percent . if the total number of singles and doubles that she hit increased 3 percent from her first season to her second season , what is the ratio of the number of singles she hit in her first season to the number of doubles she hit in her first season ?

Output: 4 : 7


Input: Consider Input: Problem: in how many no . between 10 and 30 exactly two of the digits is 2 ?

Output: 1


Input: Consider Input: Problem: if a speaks the truth 40 % of the times , b speaks the truth 80 % of the times . what is the probability that at least one will tell the truth


Output: 0.12