Input (grade 6): During the 2005 regional contest in Chengdu alone, 307,071 message votes were cast for the top three contestants, each vote costing 0.5 to 3 yuan.
Output (grade 6): During the 2005 regional contest in Chengdu alone, 307,071 message votes were cast for the top three contestants, each vote costing ¥0.5 to ¥3.