
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
The total length of the Ninggao Intercity Phase II project is about 55 kilometers. Given that the average cost per kilometer is 140 million RMB, calculate the total cost in scientific notation.

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