
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
At Chengdu No.7 Middle School LinYin Campus, there are 14 classes in the first year of high school, 14 classes in the second year, and 15 classes in the third year. Now, the school organizes students to participate in social practice activities at a certain factory on Saturdays.

(1) How many different ways are there to choose students from 1 class to participate in social practice activities?

(2) How many different ways are there to choose students from one class in each grade to participate in social practice activities?

(3) How many different ways are there to choose students from 2 classes to participate in social practice activities, with the requirement that these 2 classes are from different grades?

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