
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 school planted 450 trees this year, of which 60% are poplar trees. How many poplar trees are there? In this question, the unit "1" is ____, and finding the number of poplar trees is to find ___% of ____, using the ___ method. The formula is ___.

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