
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 Chinese Composite Materials Industry Association predicts that the compound annual growth rate of China's composite materials market in the next 5 years will be around 5%-6%. On September 15th, according to the Shanghai Securities News, it was reported at the 26th China International Composite Materials Industry Technology Exhibition that the global composite materials market size in 2022 was estimated to be 677.1 billion yuan. China's composite materials market size in 2022 is around 258 billion yuan (excluding CCL copper clad laminates, natural fiber composites, and metal-based composites), accounting for 38.19% of the global market. Expressing "677.1 billion yuan" in scientific notation gives ______ yuan.

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