The grant which the English parliament made to Scotland, called the 'Equivalent', was to equal the share of the English national debt that Scotland would assume on the union. Gregory spent some months in Edinburgh in his role with the Scottish mint working on bringing the Scottish currency into line with that of England.
Ang bigyan na kung saan ang English parliyamento ginawa sa Scotland, ang tinatawag na 'Katumbas', ay sa pantay na ang share ng English pambansang utang na Scotland would ipalagay sa unyon. Gregory nagastos ng ilang buwan sa Edinburgh sa kanyang papel sa Scottish menta nagtatrabaho sa nagdadala ng Scottish pera sa linya na ng Inglatera.