
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
At the junction of two perpendicular highways in an open field, a firetruck is stationed. The truck can move at 60 miles per hour on the highways and 15 miles per hour across the field. Determine the area of the region that the firetruck can reach within 5 minutes. Express the area as a fraction $m/n$, where $m$ and $n$ are coprime integers, and find $m + n$.

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