Answer:
The answer is *some variable* upon 12 or *some variable* ÷ 12
Examples:
x÷12 or x upon 12
y÷12 or y upon 12
m÷12 or m upon 12
Explanation:
You must apply a variable, such as "x,y,m,... etc" to "some number." Your expression then changes to the examples I have given above.
Hope this helped you :)