
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
Father goes jogging with his daughter Jana. While Jana runs three laps of a small circuit around the school, the father runs four laps of a large circuit around the nearby park. This way, the father runs twice the distance that Jana does. The small circuit is 400 meters long.

By how many meters is the large circuit longer than the small circuit?

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