
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 certain place responded to the development concept of "turning green waters and green mountains into golden mountains and silver mountains, leveraging green leverage to promote economic transformation," and carried out the "beautification of green cities" activity, upgrading and transforming a total area of $180$ million square meters. During the actual construction, due to the use of new technology, the actual average annual area of green upgrade and transformation is twice the originally planned average annual area. As a result, the above-mentioned green upgrade and transformation task was completed 2 years ahead of schedule. What is the actual average annual area of green upgrade and transformation in million square meters?

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