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.

Let me give you an example: robin bought 11 sodas for her and her friends . if they only drank 3 of them how many extras did she have ?
The answer to this example can be: 8
Here is why: Extra sodas is total - drank = 11-3 = 8

OK. solve this:
alicia loves collecting art . she has a whole house filled with all the art she obtained since she was a little kid . when she decided to move away she started donating some of her art to different museums . first museum she went to was the metropolitan museum in new york . she donated 46 medieval art pieces from the 70 she originally has . how many medieval art pieces were left with her ?
Answer:
24