
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
Using stratified sampling, a sample of 45 students is drawn from a high school, with 20 students from the first year and 10 students from the third year. Given that there are 300 students in the second year, the total number of high school students in this school is ______.

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