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: In fourth grade there were 4 students at the start of the year . During the year 3 students left and 42 new students came to school . How many students were in fourth grade at the end ?

A: 43
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Q: Robin uploaded 35 pictures from her phone and 5 from her camera to facebook . If she sorted the pics into 5 different albums with the same amount of pics in each album , how many pictures were in each of the albums ?

A: 8
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Q: Barbara has 9 candies . She buys 18 more . How many candies does Barbara have in all ?

A:
27
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