 So you have a basic math equation that you want to use as an input for a variable, not a problem. Let's say you want your damage to be determined by adding your level times 3 plus your strength times 2. Well instead of doing something like this, what you can do instead is right click, grab a math expression, and type in your equation into the name. Then you'll be able to simply drag in your variables like so, and you can see all the details of your expression down here. You can change the variable types, help that helps the same as always, hope you have a fantastic day, and I'll see you around.