The grand purpose of life

“The Answer to the Great Question... Of Life, the Universe and Everything... Is... Forty-two,' said Deep Thought (a computer), with infinite majesty and calm.” ― Douglas Adams, The Hitchhiker's Guide to the Galaxy. I would say it is zero. In my understanding there is no purpose of life but to exist. People want to hear some exciting stories of heaven and what not. Unfortunately, the answer is zero.