By 'eck 
Thank heavens I learned such a very long time ago.
Think it was about 45 minutes from C.172 to a 177RG and about same again from PA-28 to an Arrow.
18GREENS Why are we all destined to land gear-up one day
If you're looking for 18 greens now, wait til you convert to an AN-124 - you might want more pretty lights
P.S. How many do you see with the Nav lights on in good sunlight!