5 students went to visit the botanical garden, each ticket was 8 yuan, and the bus cost a total of 20 yuan, how much yuan did each person spend on average?
5个同学去植物园参观，每张门票8元，乘车共花了20元，平均每人用去多少元？
<gadget id="calculator">20 / 5</gadget>
<output>4</output>

<gadget id="calculator">8 + 4</gadget>
<output>12</output>

<result>12</result>