On Sunday, 6 students went to visit the museum, and they paid 36 yuan for the ticket, and 3 yuan for each person to take the bus. How much do they spend on average?
星期天，6个同学们去参观博物馆，共付门票36元，每人乘车用3元．他们平均每人用多少钱？
<gadget id="calculator">36 / 6</gadget>
<output>6</output>

<gadget id="calculator">6 + 3</gadget>
<output>9</output>

<result>9</result>