
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
During the 2010 Shanghai World Expo, a certain reception station had 10 student volunteers, among which there were 4 girls. Now, 3 volunteers are needed to lead 3 different tour groups, with the condition that the 3 leading volunteers must include at least one male and one female. Find the total number of different ways the volunteers can be assigned.

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