
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
As the country advocates energy conservation and emission reduction, new energy vehicles will become the "darlings" of the era. During the Dragon Boat Festival, Junjun and his family traveled to a ancient town $180km$ away in a newly purchased new energy vehicle. The original plan was to travel at a speed of $v km/h$. Due to an emergency, they traveled at a speed $1.2$ times the planned speed. As a result, they arrived $0.5h$ earlier than planned. What is the original planned speed $v$ in $km/h$?

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