instruction:
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.
question:
Lana 's favorite band was holding a concert where tickets were 6 dollars each . Lana bought 8 tickets for herself and her friends and 2 extra tickets in case anyone else wanted to go . How much did she spend ?
answer:
60


question:
Zach scored 42 points in the football game . Ben scored 21 points . How many more points did Zach score ?
answer:
21


question:
Megan had 217 markers . Robert gave her 109 more markers . How many markers does Megan have altogether ?
answer:

326