
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
Mingming copies a calligraphy book to practice brush writing. The first time he copies it, he writes 25 characters each day. The second time he copies it, he writes 3 more characters each day than he did the first time, and it takes exactly 3 fewer days than the first time. How many characters are in the book?

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