CREATE TABLE table_204_113 (id DECIMAL, "rank" DECIMAL, "area" TEXT, "state/\ province" TEXT, "csa/cma\ 2009 population" DECIMAL, "projected\ 2025 population" DECIMAL, "projected increase\ 2009-2025" DECIMAL)

how much larger was the 2009 population of chicago than the 2009 population of toronto ?
SELECT (SELECT "csa/cma\n2009 population" FROM table_204_113 WHERE "area" = 'chicago') - (SELECT "csa/cma\n2009 population" FROM table_204_113 WHERE "area" = 'toronto')
SELECT (SELECT "csa/cma\n2009 population" FROM "table_204_113" WHERE "area" = 'chicago') - (SELECT "csa/cma\n2009 population" FROM "table_204_113" WHERE "area" = 'toronto')