
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
A customer bought several identical notebooks and identical books, with the number of books being 4 more than the number of notebooks. The total cost for all the notebooks was 72 kopecks, and the total cost for all the books was 6 rubles and 60 kopecks. If the notebook had cost the same as the book, and the book cost the same as the notebook, the customer would have spent less than 4 rubles and 44 kopecks on the purchase. How many notebooks were bought?

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