
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 passenger train and a freight train depart simultaneously from cities A and B, traveling towards each other. They meet after 4 hours. The passenger train travels at an average speed of 115 km/h, while the freight train travels at an average speed of 85 km/h. What is the distance between cities A and B?

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