\textbf{134-} If $\mathbf{a} = (2, -3, 1)$ and $\mathbf{b} = (1, 2, -4)$, the volume of the parallelepiped constructed on vectors $\mathbf{a}$, $\mathbf{b}$, and $\mathbf{a} \times \mathbf{b}$ is which of the following?
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(1) $225$ \hfill (2) $220$ \hfill (3) $245$ \hfill (4) $250$
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