
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 a certain moment, Xiao Ming, who is 1.6m tall, casts a shadow of 0.4m under the sunlight. At the same time and place, the shadow of a flagpole is measured to be 5m. What is the height of the flagpole in meters?

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