Want your text to look all spiffy like this?

Open a new image (400 x 200 for instance) and make the background white
Click the Text button on the canvas and the Text Entry box should open
Type in what ever you want with any colors, text, etc. *Make sure Floating is checked at the bottom!
Click OK. Your text should be selected
Go to Effects>>3D Effects>>Inner Bevel
Make your numbers how mine are *You don't have to do them like this. You can play around with them until you get it how you like:

Press ok and your text should be 3D :)