You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.

Example Input: Sara had 100 pennies and 783 quarters in her bank. Her dadborrowed 271 quarters from Sara. How many quarters does she havenow?
Example Output: 512.0

Example Input: Joan picked 37 oranges and Sara picked 10 oranges. Alyssa picked 30pears. How many oranges were picked in total?
Example Output: 47.0

Example Input: The Richmond Tigers sold a total of 9570 tickets last season. If theysold 3867 tickets in the first half of the season, how many tickets didthey sell in the second half?
Example Output:
5703.0

