
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
A school's students are marching forward at a speed of 8 kilometers per hour. The principal at the end of the line asks a student to run to the front of the line to deliver a message to the leading teacher and then immediately return to the back of the line. The student runs at a speed of 12 kilometers per hour. It takes a total of 7.2 minutes for the student to run from the back to the front and then back to the rear again. The length of the line is in meters.

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