Gui text and variables?(C#)

Hello, so my basically my problem is that I am trying to make a GUItext and print out "John’s hunger level: " plus the variable.(The variables name is jhl) here is the code.

	void OnGUI() {
		GUI.Label(new Rect(10, 10, 100, 20), "John's hunger level: " +jhl);
		
	}

Thanks

You could do:

jhl.ToString()

or even nicer:

string.Format("John's hunger level: {0}", jhl)