Q: You are given a math word problem and you are supposed to apply an addition mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
Context: Winter is almost here and most animals are migrating to warmer countries. There are 49 bird families living near the mountain. 59 bird families flew away for winter and 24 new bird families came to live near the mountain from the arctic. 

 Question: How many bird families were left near the mountain?
A:
14