You remember? And you learned the answer, and you've carried this answer in your head for 10, 20, 30, 40 years: The answer is the same. The answer is the same. So when you're asked what the lengths are, you say they're the same, but they're not the same, because I've changed it.
皆さんは一度習った答えを 何十年も覚えているわけです 「長さは同じ 長さは同じ」ってね だからそう答えた でも問題が変わってたんです