Answer
$ 3114_{eight}$
Work Step by Step
$(4\times 3)_{10}=(12)_{10}=1\times 8+4=(14)_{8}$
Record the $4$; carry the $1$.
$\begin{array}{llll}
& 6 & 2 & 3_{eight}\\
\times & & & 4_{eight}\\
-- & -- & -- & --\\
& & & 4_{eight}
\end{array}$
$(4\times 2+1)_{10}=(9)_{10}=1\times 8+1=(11)_{8}$
Record the $1$; carry the $1$.
$\begin{array}{llll}
& 6 & 2 & 3_{eight}\\
\times & & & 4_{eight}\\
-- & -- & -- & --\\
& & 1 & 4_{eight}
\end{array}$
$(4\times 6+1)_{10}=(25)_{10}=3\times 8+1=(31)_{8}$
Record the $31:$
Result:$ 3114_{eight}$