Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

[EX Q]: a clown had 82 balloons . after a party he had 16 left . how many balloons did he use at the party ?
[EX A]: 66

[EX Q]: after giving out clothes he invited the homeless to the nearest soup kitchen to give them a proper meal . if he fed 219 men and 328 women how many homeless people was he able to feed ?
[EX A]: 547

[EX Q]: maria had 67 pieces of candy . she ate 64 pieces . how many pieces of candy does maria have now ?
[EX A]:
3