
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 certain school uses a stratified random sampling method with proportional allocation to investigate students' participation in sports. It plans to sample 60 students from the junior high school and senior high school sections. It is known that the junior high school and senior high school sections have 400 and 200 students respectively. Calculate the total number of different sampling results.

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