
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
In recent years, the vegetation in the Yangtze and Yellow River basins in our country has been damaged, leading to land desertification and frequent floods. In response to and in support of the "Protect the Mother River" initiative, a protective forest measuring 100km in length and 0.5km in width was established in a certain area along the Yellow River in 2000. This year, the relevant departments aimed to estimate the number of trees in this protective forest. They selected 10 plots (each 1km long and 0.5km wide) for counting, and the numbers of trees (in units: trees) are as follows:  
65110, 63200, 64600, 64700, 67300, 63300, 65100, 66600, 62800, 65500  
Based on the data above, it is estimated that this protective forest has approximately ____ trees.

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