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.
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Question: Context: Dan has $ 4. He had $ 3 left with him after he bought a candy bar.

Question: How much did the candy bar cost?

Answer: 1

Question: Context: Jerry had 7 action figures and 2 books on a shelf in his room. Later he added 4 more books to the shelf.

Question: How many more action figures than books were on his shelf?

Answer: 1

Question: Context: The grasshopper and the frog had a jumping contest. The grasshopper jumped 13 inches. The grasshopper jumped 2 inches farther than the grasshopper.

Question: How far did the frog jump?

Answer:
11