A sample of a gas occupies a volume of $512 \;mL$ at $20^{\circ}$ and $74\;cm$ of Hg as pressure. what volume would this gas occupy at $STP$?

Question

$\begin{array}{1 1} 464\;L \\ 464.5\;mL \\564\;mL \\ 664\;mL \end{array} $