Problem:
Multiply
$\left(
\begin{array}{c}
 1 \\
 2 \\
 -2 \\
 2 \\
 0 \\
\end{array}
\right)$ and
$\left(
\begin{array}{c}
 -3 \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{c}
 -3 \\
 -6 \\
 6 \\
 -6 \\
 0 \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply/18749.txt'}