instruction:
You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
question:
Bruce has 75 eggs . Kimberly has 17 eggs . He loses 70 . How many eggs will Bruce have ?
answer:
5


question:
Nancy has 7 black balloons . Mary has 4 times more black balloons than Nancy . How many black balloons does Mary have now ?
answer:
28


question:
Sara had 21 quarters in her bank . Her dad gave her 49 more quarters . How many quarters does she have now ?
answer:

70