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.

Input: Consider Input: Nancy picked 12 carrots from her garden . If she threw out 2 of them and then picked 21 more the next day , how many carrots would she have total ?

Output: 31


Input: Consider Input: For the school bake sale Chloe made 28 cupcakes . If she sold 25 of them and then made 8 more , how many cupcakes would she have ?

Output: 11


Input: Consider Input: Sally had 39 baseball cards , and 9 were torn . Sara bought 24 of Sally 's baseball cards . How many baseball cards does Sally have now ?


Output: 15