
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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In a school, the total number of students in grades 10, 11, and 12 is 2400. To investigate the students' after-school study habits, a stratified sampling method is planned to draw a sample of 120 students. Given that there are 820 students in grade 10 and 780 students in grade 11, the number of students to be sampled from grade 12 should be ______.

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