You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
--------
Question: The cafeteria had 96 apples . For lunch they handed out 42 to students and decided to use the rest to make pies . If each pie takes 6 apples , how many pies could they make ?

Answer: 9

Question: A new virus is released on the internet . The administrator of a department 's LAN is given 5 minutes by a manager to estimate the impact . The administrator samples 12 of the PCs connected to the LAN and finds that 7 are infected . Use a proportion to estimate the number of infected PCs if there are a total of 216 PCs connected to the LAN .

Answer: 126

Question: Jerry was helping the cafeteria workers pick up lunch trays , but he could only carry 8 trays at a time . If he had to pick up 9 trays from one table and 7 trays from another , how many trips will he make ?

Answer:
2