double

		Double db = 2.4 * (14/1000.0) + 6.6123;
		String dbStr = db.toString();
		System.out.printf(dbStr + ":");
		//6.6459

		Integer dbInt = (int)Math.round(db);
		System.out.printf(dbInt.toString() + ":");
		//7

		Integer dbInt2 = db.intValue();
		System.out.printf(dbInt2.toString() + ":");
		//6