I am so illiterate with respect to metric conversion
5 US gals is about 19L. For a 60 L vessel, you could say it's close enough to 15 US gals.
Yeah, I know. I've seen that conversion countless times. Its about memory... no probably importance
to me. I just don't care enough to remember it or take the time/effort to recall it. It brings me no pleasure. As a general rule I resist doing math in my head - always have. When I went to college they put me in a remedial math class - then when I transferred 2 years later I had forgotten it all and after the entrance exam the second university put me back in remedial math to learn it all over again. I actually went to a counselor once while in the second math class because I was always falling asleep while studying for the class. Her response? "Stand up while studying."
All the sudden I want to tell you that I also was class valedictorian and had a 4.0 GPA at the first college. I guess I don't want you to think I'm just plain dumb.