
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
Select 3 ships from 2 destroyers and 6 frigates to perform different tasks, and ensure that at least one destroyer is among the selected ships, calculate the number of different ways to arrange them.

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