TASK DEFINITION: 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.
PROBLEM: 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 ?

SOLUTION: 48

PROBLEM: For his car , Mike spent $ 118.54 on speakers and $ 106.33 on new tires . Mike wanted 3 CD 's for $ 4.58 but decided not to . In total , how much did Mike spend on car parts ?

SOLUTION: 224.87

PROBLEM: Bianca had 34 songs on her mp3 player . If she deleted 14 old songs from it and then added 44 new songs , how many songs does she have on her mp3 player ?

SOLUTION:
64