If $\overline{\mathrm{p}} = (2, 1, 3), \overline{\mathrm{q}} = (-2, 3, 1), \overline{\mathrm{r}} = (3, -2, 4)$ and $\overline{j}$ is the unit vector in the direction of Y-axis, then $(2 \overline{\mathrm{p}} + 3\overline{\mathrm{q}} - 4\overline{\mathrm{r}}).\overline{ \mathrm{j}} =$