Isn't it amazing what you can do with modern technology? Google now does math:

Google-s�gning: answer to life the universe and everything: "answer to life the universe and everything = 42"

Got the link from this place (be sure to check the last question - which Google *can't* answer):
kuro5hin.org || Fun with the Google Calculator: "for those of you who doubt this calculator can solve all of your life's problems, you will be happy to know that it knows the answer to life the universe and everything, even in binary. However, it still does not seem to know the air-speed velocity of an unladen swallow is"