You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Example Input: For Halloween Debby and her sister combined the candy they received . Debby had 32 pieces of candy while her sister had 42 . If they ate 35 pieces the first night , how many pieces do they have left ?
Example Output: 39

Example Input: Joan has 9 blue balloons but lost 2 of them . How many blue balloons does Joan have now ?
Example Output: 7

Example Input: While shopping for music online , Zoe bought 3 country albums and 5 pop albums . Each album came with a lyric sheet and had 3 songs . How many songs did Zoe buy total ?
Example Output:
24