How many more people speak English than speak Scottish in United Kingdom?
English and Scottish are two languages; United Kingdom is a country
SELECT T3.Population * (T2.Percentage - T1.Percentage) FROM ethnicGroup AS T1 INNER JOIN ethnicGroup AS T2 ON T1.Country = T2.Country INNER JOIN country AS T3 ON T1.Country = T3.Code WHERE T1.Name = 'Scottish' AND T2.Name = 'English' AND T3.Name = 'United Kingdom'