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: Connie has 2315 red markers and 1028 blue markers . How many markers does she have altogether ?

Answer: 3343


Question: At the arcade , Jerry won 29 tickets playing ' whack a mole ' and 17 tickets playing ' skee ball ' . If he spent 12 of his tickets on a hat , how many tickets does Jerry have left ?

Answer: 34


Question: Brenda starts with 7 Skittles . She buys 8 more . How many Skittles does Brenda end with ?

Answer:
15