
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 book has 525 pages. Aunt Wang plans to read 25 pages every day, and it will take her     days to finish. If she reads 21 pages every day, it will take her     days to finish.

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