
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 factory produces three types of products: A, B, and C, with a total of 600 items. The ratio of the number of products A, B, and C is 1:2:3. Now, using stratified sampling, 120 items will be selected for quality inspection. The number of product A items to be selected is _______.

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