
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 private school has a total of 3600 students, among which the number of students in the high school, middle school, and elementary school sections form an arithmetic sequence with a common difference of 600. Using a 1:100 sampling ratio and stratified sampling method, the number of students to be sampled from the elementary school section is ______.

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