
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 high school has a total of $3000$ students across three grades, with a ratio of $2:3:1$ for the number of students in the first, second, and third grades, respectively. Using stratified sampling, a sample of $180$ students is to be taken. Determine the number of students that should be sampled from the third grade.

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