Problem:
Multiply
$\left(
\begin{array}{cc}
 -\frac{7}{8} & -\frac{39}{16} \\
\end{array}
\right)$ and
$\left(
\begin{array}{ccc}
 \frac{39}{16} & -\frac{1}{8} & -\frac{47}{16} \\
 -\frac{5}{4} & \frac{15}{16} & \frac{11}{4} \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{ccc}
 \frac{117}{128} & -\frac{557}{256} & -\frac{529}{128} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply/4193.txt'}