
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
Nina and Shura live in the same building entrance. Nina lives on the 6th floor. When Shura left Nina's place, she mistakenly went up instead of down as she needed to. Upon reaching the top floor, Shura realized her mistake and went down to her floor. It turned out that Shura traveled one and a half times more than she would have if she had gone directly down. How many floors are there in the building?

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