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:
There are 22 oranges in a box . Paula takes 7 oranges . How many are left ?
answer:
15


question:
Sarah had 4 pages of math homework and 6 pages of reading homework . If each page had 4 problems on it , how many problems did she have to complete total ?
answer:

40