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.

Q: Olivia and her mom were picking carrots from their garden . Olivia picked 20 and her mother picked 14 . If only 19 of the carrots were good , how many bad carrots did they have ?

A: 15
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Q: Tom had to wash 10 short sleeve shirts and 25 long sleeve shirts before school . If he had only washed 5 of them by the time school started , how many did he not wash ?

A: 30
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Q: A pet store has 8 bird cages . If each cage has 2 parrots and 7 parakeets in it , how many birds does the pet store have total ?

A:
72
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