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: There were 28 bales of hay in the barn . Tim stacked bales in the barn today . There are now 54 bales of hay in the barn . How many bales did he store in the barn ?
Example Output: 26

Example Input: Will was organizing his baseball cards in a binder with 3 on each page . If he had 8 new cards and 10 old cards to put in the binder , how many pages would he use ?
Example Output: 6

Example Input: In Yardley it snowed 0.125 inch in the morning and 0.5 inch in the afternoon . What was the total amount of snowfall ?
Example Output:
0.625