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]: Katie uploaded 30 pictures from her phone and 51 from her camera to facebook . If she sorted the pics into 9 different albums with the same amount of pics in each album , how many pictures were in each of the albums ?
[A]: 9


[Q]: Joan joined her school 's band . She bought a trumpet for $ 149.16 , a music tool for $ 9.98 , and a song book which was $ 4.14 . Joan found $ 8.65 in her pocket . How much did Joan spend at the music store ?
[A]: 163.28


[Q]: Paige had 8 songs on her mp3 player . If she deleted 5 old songs from it and then added 30 new songs , how many songs does she have on her mp3 player ?
[A]:
33