what does it mean to divide by
12 divided 'by' 3 is 4 divide by means: how many times will the 'by' go into the number
3/4 is Three fourths it is also 3 divided 'by' 4
OK? Am I helping?
if the equation is 0/1000 the answer is 0
if the equation is 1000/0 the answer is undefined.
These answers are the same for any number substituted for 1000