instruction:
You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
Context: Randy has 79 blocks. He uses 14 blocks to build a tower and 11 blocks to build a house.

Question: How many blocks are left?
answer:
54

question:
Context: Jack received a total of 9 emails in the day. If he received 7 emails in the morning and some more in the afternoon

Question: How many emails did Jack receive in the afternoon?
answer:
2

question:
Context: A book has 2 chapters. The first chapter is 60 pages long. If there are a total of 93 pages in the book

Question: How many pages are in the second chapter?
answer:
33