Xiaohong, Xiaoming, and Xiaojun went to Lianhua Mountain to play together. A total of 12 yuan was bought for soda, 9 yuan for bread, and 15 yuan for fruit. How much is the average payment per person?
小红、小明、小军三人一起去莲花山玩．共买了汽水12元，面包9元，水果15元．平均每人应付多少元？
<gadget id="calculator">12 + 9 + 15</gadget>
<output>36</output>

<gadget id="calculator">36 / 3</gadget>
<output>12</output>

<result>12</result>