
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
Two students, Jia and Yi, are practicing running on a circular track of 300 meters. They start from the same point and at the same time, running in the same direction. Given that Jia's average speed is 5 meters per second and Yi's average speed is 4.2 meters per second, how many full laps has Jia run by the time he catches up with Yi for the first time from behind?

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