During the holiday, Teacher Wang took a group of students to the park to play. The ticket for each person was 4.5 yuan when we went there, and a total of 49.5 yuan was spent on the ticket. At the park, Mr. Wang spent a total of 71.5 yuan to buy tickets. How much did each person spend on tickets?
假日里，王老师带一组同学去公园玩．去时每个人的车票是4.5元，一共花了49.5元买车票．到了公园王老师买门票一共又花了71.5元，每个人买门票花了多少元？
<gadget id="calculator">49.5 / 4.5</gadget>
<output>11</output>

<gadget id="calculator">71.5 / 11</gadget>
<output>6.5</output>

<result>6.5</result>