Don and I both puzzled over that one, he determined not to Google it and me not to call my math teacher son. We never came up with it and blamed our aging brains. I finished the scarf, and yes it was longer, but because I changed needle sizes it became a moot point. I just looked up “moot” on my Word Thesaurus: “unresolved.” He is adamant about remembering someday, without the aid of Google, the name of the motel where Martin Luther King was killed. As a former Memphis resident, he says he drove by it frequently and knows it as well as his own name. Yeah.