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

Q: Problem: a student chose a number , multiplied it by 2 , then subtracted 138 from the result and got 102 . what was the number he chose ?

A: 120
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Q: Problem: how many integers n are prime numbers in the range 200 < n < 220 ?

A: 1
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Q: Problem: diana is painting statues . she has 3 / 6 of a gallon of paint remaining . each statue requires 1 / 6 gallon of paint . how many statues can she paint ?

A:
3
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