
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
Li Li, Wang Wang, and Qian Qian went to a stationery store to buy exercise books, ballpoint pens, and erasers. Li Li bought 4 exercise books, a ballpoint pen, and 10 erasers, spending a total of 11 yuan. Wang Wang bought 3 exercise books, a ballpoint pen, and 7 erasers, spending a total of 8.9 yuan. How much should Qian Qian pay for buying an exercise book, a ballpoint pen, and an eraser?

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