Answer
$480$
Work Step by Step
The multiplication principle says that if there are $a$ possibilities of the event $A$ and $b$ of the event $B$, then the number of possibilities of event A and event B combined is $a\cdot b$.
This can easily be extended to $n$ events.
Using the Multiplication Principle, the number ways to select global stock is:
$8\cdot15\cdot4=480$
