
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 recovery of China's marine economy is strong. The scale of construction of offshore wind power projects under construction and newly started is about 18 million kilowatts, which is twice the same period of the previous year. The scientific notation of $18,000,000$ should be ______.

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