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:
64 children were riding on the bus . At the bus stop , some more children got on the bus . Then there were 78 children altogether on the bus . How many children got on the bus at the bus stop ?
answer:
14


question:
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 ?
answer:
48


question:
Edward was working as a sacker at a grocery store where he made 6 dollars an hour . On Monday he worked 3 hours and on Tuesday he worked 5 hours . How much money did Edward make in those two days ?
answer:

48