
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
An escalator has \( n \) visible steps and descends at a constant speed. Two boys, \( A \) and \( Z \), walk down the moving escalator at a steady pace. Boy \( A \) walks twice as many steps per minute as boy \( Z \). \( A \) reaches the bottom after walking 27 steps, and \( Z \) reaches the bottom after walking 18 steps. Find \( n \).

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