
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 the volume of the parallelepiped determined by vectors $\mathbf{a}$, $\mathbf{b}$, and $\mathbf{c}$ as 6, find the volume of the parallelepiped determined by the vectors $2\mathbf{a} + \mathbf{b}$, $\mathbf{b} + 2 \mathbf{c}$, and $\mathbf{c} - 3 \mathbf{a}$.

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