Work center formula - rounding to zero?

Hi
I have set up a new formula for a work center, using a new parameter Z_BKP5 (Parameter1.jpg). It should be fixed to 2000.
My formula is: Operation qty/Z_BKP5* Variable machine time.
However, if my operation qty is bigger than Z_BKP5 (2000), then I get the result (Test1.jpg), for example 2000/2000*180 MIN => result is 180 MIN
If my operation quantity is smaller, I don't get anything calculated (Test2.jpg). The same happens on Test formula screens as well on planned orders.
Example 1900/2000*180 MIN
Is it some rounding issue? I have tried finding a parameter in customizing for this, but I cannot find anything related. Can this be solved somehow, or is this standard behaviour?
Thank you

Just for future help, I'd expect that means your data container is integer.  In that case, it's important to do your multiplications first and your divisions last.
An alternate problem that you can also run into is that you can exceed the max size of the container and get an overflow.  Then you need to look at the expected size of the max and min values of each variable and try to work them in  alternately so as neither to go below 1 nor above max value.
Neal

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