Body: Winter is almost here and most animals are migrating to warmer countries. There are 18 bird families living near the mountain. If 38 bird families flew away to africa and 80 bird families flew away to asia
Question: How many bird families flew away for the winter?
question_concat: Winter is almost here and most animals are migrating to warmer countries. There are 18 bird families living near the mountain. If 38 bird families flew away to africa and 80 bird families flew away to asia How many bird families flew away for the winter?