Problem:
Find $x \cdot y$ where $x=\frac{17}{4}-\frac{9 i}{4}$ and $y=-\frac{23}{4}-2 i$
Answer:
$-\frac{463}{16}+\frac{71 i}{16}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/complex_arithmetic/29113.txt'}