CREATE TABLE table_203_70 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

how many more medals did egypt win than ivory coast ?
SELECT (SELECT "total" FROM table_203_70 WHERE "nation" = 'egypt') - (SELECT "total" FROM table_203_70 WHERE "nation" = 'ivory coast')
SELECT (SELECT "total" FROM "table_203_70" WHERE "nation" = 'egypt') - (SELECT "total" FROM "table_203_70" WHERE "nation" = 'ivory coast')