Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

faye and her mom were picking carrots from their garden . faye picked 23 and her mother picked 5 if only 12 of the carrots were good how many bad carrots did they have ?
16

jerry owned 7 video games . for his birthday he got 2 more . how many games did jerry have total ?
9

vanessa bought 12 old cds at a garage sale . if 7 of the cds were scratched up how many good cds did she buy ?
5