
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
Calculate the total number of students in a school if 60 students are randomly sampled using stratified sampling, with 20 from the second year and 25 from the third year, and it is known that there are 800 students in the first year.

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