Maybe because the “correct” answer is zero? …for certain values of correct. If it gives totally impractical answers that seems like a problem with the asker me

Maybe because the “correct” answer is zero? …for certain values of correct. If it gives totally impractical answers that seems like a problem with the asker methinks. Like, what would you do with the answer to “how many deciliters of flannel would it take to cover the earth?”