
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
As shown in the diagram, a rectangular grassland is divided into three parts. It is known that the second part is 10 meters wider than the first part. The area of the second part is 1000 square meters, and the third part is 4 meters narrower than the first part. The area of the third part is 650 square meters. What is the area of the first part in square meters?

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