CREATE TABLE table_204_64 (id DECIMAL, "place" TEXT, "code" DECIMAL, "area  ( km2 ) " DECIMAL, "population" DECIMAL, "most spoken language" TEXT)

what is the difference in population between fora and masilo
SELECT ABS((SELECT "population" FROM table_204_64 WHERE "place" = 'fora') - (SELECT "population" FROM table_204_64 WHERE "place" = 'masilo'))
SELECT ABS((SELECT "population" FROM "table_204_64" WHERE "place" = 'fora') - (SELECT "population" FROM "table_204_64" WHERE "place" = 'masilo'))