
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
Xiao Hu Ma's house is 1800 meters away from his school. One day, Xiao Hu Ma left for school, and 10 minutes later, his father realized that he had forgotten his math textbook. His father immediately took the textbook and caught up with him at a point 200 meters away from the school. Given that the father's speed is twice that of Xiao Hu Ma, find Xiao Hu Ma's speed.

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