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]: Chloe was playing a trivia game . In the first round she scored 40 points and in the second round she scored 50 points . In the last round she lost 4 points . How many points did she have at the end of the game ?
[A]: 86


[Q]: Megan 's class is going on a field trip to the zoo . If each van can hold 5 people and there are 25 students and 5 adults going , how many vans will they need ?
[A]: 6


[Q]: Katie had 11 songs on her mp3 player . If she deleted 7 old songs from it and then added 24 new songs , how many songs does she have on her mp3 player ?
[A]:
28