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.

Carol and her mom were picking carrots from their garden . Carol picked 29 and her mother picked 16 . If only 38 of the carrots were good , how many bad carrots did they have ?
7

A textbook costs a bookstore 44 dollars , and the store sells it for 55 dollars . Find the amount of profit based on the selling price .
11

For the school bake sale Katie made 26 cupcakes . If she sold 20 of them and then made 20 more , how many cupcakes would she have ?

26