How do you simplify 2sqrt24 * sqrt16?

$\sqrt{16} = 4$
$\sqrt{24} = \sqrt{6 \cdot 4} = 2 \sqrt{6}$
And $\sqrt{a} \cdot \sqrt{b} = \sqrt{a \cdot b}$
$= 2 \cdot 2 \sqrt{6} \cdot 4 = 16 \sqrt{6}$