
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 certain conference is attended by \(12k\) people (\(k\) is a positive integer), and each person knows exactly \(3k+6\) other attendees. Assume that for any two people, the number of people who know both of them is the same. Determine the number of people attending this conference.
(IMC 36th Preliminary Problem)

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