
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 person commutes from home to work by car, passing through 3 traffic lights. Assuming that the probability of encountering a red light at each traffic light is independent of each other and is 0.4, then the expected number of red lights encountered by this person on their way to work is ______.

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