
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
Four pumps of equal capacity, working together, filled the first tanker and one-third of a second tanker (of different volume) in 11 hours. If three pumps filled the first tanker, and then one of them filled one-quarter of the second tanker, the job would take 18 hours. How many hours would three pumps take to fill the second tanker?

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