
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 post office sells stamps of three denominations: 0.6 yuan, 0.8 yuan, and 1.1 yuan. There is a package that requires exactly 7.50 yuan in postage. To minimize the number of stamps used while exactly meeting the postage requirement, the minimum number of stamps needed is ____.

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