
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 conference center is setting up seating for a large meeting. There are $15$ chairs in each row, and currently, there are $300$ chairs in total. The center expects $180$ people will attend the meeting. To avoid empty seats while ensuring all rows are completely filled, how many chairs should be removed?

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