
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 three grades. The 10th grade has 600 students. If stratified sampling is used to draw a sample of 45 students, and it is known that 20 students are drawn from the 11th grade and 10 students from the 12th grade, then the total number of students in the high school is ____.

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