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.
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Question: In fourth grade there were 10 students at the start of the year . During the year 4 students left and 42 new students came to school . How many students were in fourth grade at the end ?

Answer: 48


Question: A pet shelter had 17 puppies when another 55 were brought in . If 8 puppies a day are adopted , how long would it take for all of them to be adopted ?

Answer: 9


Question: There were a total of 8 football games this year , 4 are played at night . Keith missed 4 of the games . How many football games did Keith go to in total ?

Answer:
4