
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 people, A and B, set off from locations A and B, respectively, at the same time and walk towards each other. When person A has walked halfway, person B doubles their speed. They meet at a point 1200 meters from location B, and they both reach their destinations simultaneously. How far apart are locations A and B?

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