TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: a person want to give his money of $ 1800 to his 3 children a , b , c in the ratio 2 : 3 : 4 . what is the b ' s share ?

SOLUTION: $ 600

PROBLEM: 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

SOLUTION: 0.12

PROBLEM: Problem: if the radius of a circle is decreased 60 % , what happens to the area ?

SOLUTION:
84 % decrease