You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Context: A grocery store had 72 bottles of regular soda, 32 bottles of diet soda and 78 apples.

Question: How many more bottles than apple did they have?
26

Context: Nell collects baseball cards. She had 573 cards. She gave 195 cards to John and yet some more to Jeff. Now she has 210 cards left.

Question: How many cards did Nell give to Jeff?
168

Context: There are 62 different movies and 19 different books in the ' crazy silly school ' series. If you read 4 of the books and watched 34 of the movies

Question: How many more books do you still have to read?
15