instruction:
You are given a math word problem and you are supposed to apply a single mathematical operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
she also ate a hearty breakfast so that she would have enough energy . she bought 5 pieces of her favorite bread . if each piece of bread costs 30 cents how much did jenny spend for her breakfast ?
answer:
150

question:
a book has 2 chapters . the first chapter is 48 pages long . the second chapter is 46 pages long . how many pages does the book have altogether ?
answer:
94

question:
cade had 87 marbles . he gave 8 to dylan . how many does he have left ?
answer:
79