Find the volume of the parallelepiped whose edges are represented by the vectors

Find the volume of the parallelepiped whose edges are represented by the vectors

$\vec{a}=(2 \hat{i}-3 \hat{j}+4 \hat{k}), \vec{b}=(\hat{i}+2 \hat{j}-\hat{k})$ and $\overrightarrow{\mathrm{c}}=(3 \hat{\mathrm{i}}-2 \hat{\mathrm{j}}+2 \hat{\mathrm{k}})$