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: They decided to hold the party in their backyard. They have 10 sets of tables and each set has 6 chairs. If there are 11 people sitting on chairs 

 Question: How many chairs are left unoccupied?
answer:
49


question:
Context: Bobby ate 38 pieces of candy. Then he ate 36 more. He also ate 16 pieces of chocolate. 

 Question: How many more pieces of candy than chocolate did Bobby eat?
answer:
58


question:
Context: 2 red peaches, 6 yellow peaches and 14 green peaches are in the basket. 

 Question: How many more green peaches than yellow peaches are in the basket?
answer:

8