CREATE TABLE table_976 ("Quarter" TEXT, "Android" TEXT, "iOS" TEXT, "Symbian" TEXT, "BlackBerry OS" TEXT, "Linux" TEXT, "Windows Phone" TEXT, "Other" TEXT, "Total" TEXT)

How man 'other' millions of smartphones were shipped when 181.1 million total were shipped?
SELECT COUNT("Other") FROM table_976 WHERE "Total" = '181.1'
SELECT COUNT("Other") FROM "table_976" WHERE "Total" = '181.1'