8/0 is what?
It is undefined or you cannot evaluate it.
You cannot evaluate
If you try you get:
In Calculus you can have a way out or trick to "visualize" the idea behind
If you try to get as near as possible to zero increasing the number of zeros after the point you'll get very big numbers.
the idea is that when you try to get near zero the result of the division gets bigger and bigger....or infinite!