
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
To help children in poor mountainous areas learn, a certain school encourages students to voluntarily donate books. It is known that the total number of books donated by students in the seventh and eighth grades is 1800. The number of students donating books in the eighth grade is 150 more than in the seventh grade. The average number of books donated per student in the seventh grade is 1.5 times the average number of books donated per student in the eighth grade. Find the number of students in the eighth grade who donated books.

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