Symbol

Whenever you use a symbolic evaluation (like you did with "explicit") and just one of the involved number is not an integer but rather a float number, the symbolic engine switches to some sort of float mode and does all calculations with (I think) about 20 significant digits. There is no way to avoid this but you can try to control the number of significant digits by adding the modifer "float,nn" , where nn is the number of significant digits (not the number of decimals!). But this should be used with great care (some may say it should not be used at all) because using the "float" modifier not only affects just the display of the result, but also the accuracy of the entire calculation!

EDIT: I just noticed that using "float" nullifies the desired effect of "explicit".

So you would have to round down ALL involved numbers to get the desired display and this may significantly affect the accuracy of your calculations!

Either

or

Very inconvenient and dangerous (as it may introduce sever inaccuracies). Wish PTC would implement a better way (without using the symbolic engine) to fulfill the desire for the possibility of a useful calculation documentation.