I knew that FG, but I bet lots of others don't! Spent many hours of my childhood converting rods, poles, perches and furlongs into miles; lbs, stones and hundredweights, pence, shillings, pounds, etc and all vice versa as well. Had to learn 14x and 16x times tables by heart too.
Kids today don't know they're born - Metric system, just Base 10
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When you don't even know who's in the team
S.Yorkshire/Derbyshire border