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.
One example: robin bought 11 sodas for her and her friends . if they only drank 3 of them how many extras did she have ?
Solution is here: 8
Explanation: Extra sodas is total - drank = 11-3 = 8

Now, solve this: for a potluck lunch debby brought 10 bottles of soda . if everyone only drank 8 of the sodas how many did she have to take back home ?
Solution:
2