void OnGUI()
{
GUI.backgroundColor = new Color(1, 0.8f, 0.8f, 1);
GUILayout.BeginVertical("", "box");
GUILayout.Label("Float");
val.DrawFloatGUI();
GUILayout.EndVertical();
GUI.backgroundColor = new Color(0.8f, 1f, 0.8f, 1);
GUILayout.BeginVertical("", "box");
GUILayout.Label("Double");
val.DrawDoubleGUI();
GUILayout.EndVertical();
GUI.backgroundColor = new Color(0.8f, 0.8f, 1f, 1);
GUILayout.BeginVertical("", "box");
GUILayout.Label("Integer");
val.DrawLongGUI();
GUILayout.EndVertical();
}