You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
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Question: Cindy ' s mom baked 41 cookies . Paul ' s dad baked 38 cookies . They both brought them to school for a party . How many cookies did they have altogether ?

Answer: 79

Question: There are 55 oranges in a box . Deborah has 11 oranges in a bag . Susan takes 35 oranges out of the box . How many oranges are left in the box ?

Answer: 20

Question: 64 children were riding on the bus . At the bus stop , some more children got on the bus . Then there were 78 children altogether on the bus . How many children got on the bus at the bus stop ?

Answer:
14