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

Example input: For the school bake sale Bianca made 14 cupcakes . If she sold 6 of them and then made 17 more , how many cupcakes would she have ?
Example output: 25
Example explanation: Total cupcakes she would have = baked - sold = 14 -6 + 17 = 25 
Q: The school cafeteria had 38 apples . If they used 20 to make lunch for the students and then bought 28 more , how many apples would they have ?
A:
46