
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
Given that a school offers 3 elective courses of Type A and 4 elective courses of Type B, a student chooses a total of 3 courses from these, with the requirement that at least one course from each type must be chosen, calculate the total number of different ways to choose the courses.

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