By 2010, college graduates, if you said two circles followed by a semicircle, two sixteens followed by what, they would say eight, because eight is half of 16.
2010年ともなると 「２つの円に半円が続く時― ２つの16には何が続く？」と問えば 大卒者は「８」と答えます 16の半分は８だからです