Detailed Instructions: 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.
Q: winter is almost here and most animals are migrating to warmer countries . there are 67 bird families living near the mountain . if 32 bird families flew away for winter how many bird families were left near the mountain ?
A:
35