Label Visible By Value in TextBox

I have the following code written to check calculations. Now I would like to make one or another Label Visible depending on the value this code returns. If TextBox57 = 0 then I want Label 7 to visible but if it doesn't I need Label 8 to be visible. I am starting both Labels hidden.

TextBox57.Value = Int(TextBox56.Value) - Int(TextBox55.Value)