
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
For a special event, Dan receives a cube-shaped box that can hold 216 marbles when filled to capacity. A month later, Ellen receives a larger cube-shaped box. Each side of Ellen's box is three times the length of each side of Dan's box. How many marbles did Ellen receive, assuming the marble sizes are consistent between both boxes?

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