Suppose that a $4 \times 4$ matrix $A$ with rows $\vec{v}_1$, $\vec{v}_2$, $\vec{v}_3$, and $\vec{v}_4$ has determinant $\det A = -6$. Find the following determinants:

$\det$

$\left.\vphantom{\begin{array}{c}\!\strut\\\!\strut\\\!\strut\\\!\strut\\\!\strut\\\end{array}}\right[$ $\vec{v}_1$ $\left.\vphantom{\begin{array}{c}\!\strut\\\!\strut\\\!\strut\\\!\strut\\\!\strut\\\end{array}}\right]$ $\vec{v}_2$ $\vec{v}_3$ $6 \vec{v}_4$

$= \ $

,

$\det$

$\left.\vphantom{\begin{array}{c}\!\strut\\\!\strut\\\!\strut\\\!\strut\\\!\strut\\\end{array}}\right[$ $\vec{v}_4$ $\left.\vphantom{\begin{array}{c}\!\strut\\\!\strut\\\!\strut\\\!\strut\\\!\strut\\\end{array}}\right]$ $\vec{v}_1$ $\vec{v}_2$ $\vec{v}_3$

$= \ $

,

$\det$

$\left.\vphantom{\begin{array}{c}\!\strut\\\!\strut\\\!\strut\\\!\strut\\\!\strut\\\end{array}}\right[$ $\vec{v}_1$ $\left.\vphantom{\begin{array}{c}\!\strut\\\!\strut\\\!\strut\\\!\strut\\\!\strut\\\end{array}}\right]$ $\vec{v}_2$ $\vec{v}_3$ $\vec{v}_4 + 6 \vec{v}_2$

$= \ $

.