Teacher:You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
Teacher: Now, understand the problem? Solve this instance: Nancy , Melanie , Mary , and Alyssa each bought 540 baseball cards , which come in packs of 20 . How many packs of baseball cards do they have in all ?
Student:
108