
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]


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A middle school has a total of 1800 students, including 1200 junior high school students and 600 senior high school students. Determine the number of senior high school students that should be extracted from the entire student body in a stratified sampling of 180 students.

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