You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[EX Q]: On a hot day , Sam poured 1 bucket of water into a plastic wading pool . A few minutes later he added another 8.8 buckets . How much water did Sam pour into the pool ?
[EX A]: 9.8

[EX Q]: Josh had 16 marbles in his collection . He lost 7 marbles . How many marbles does he have now ?
[EX A]: 9

[EX Q]: While playing a trivia game , Frank answered 3 questions correct in the first half and 2 questions correct in the second half . If each question was worth 3 points , what was his final score ?
[EX A]:
15