
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Xiao Wang and Xiao Li each took some money to buy the book "Harry Potter." At the bookstore, Xiao Wang found that he was 6 yuan short of buying 2 books, and Xiao Li found that he was 31 yuan short of buying 2 books. However, the total amount of money they brought together was just enough to buy 3 books. What is the price of each "Harry Potter" book in yuan?

Present the answer in LaTex format: \boxed{Your answer}
user