There are 78 people in a tour group, 45 of them take a bus, and the remaining tourists take 3 vans. How many people does each van take on average?
某旅游团共有78人，其中45人乘大客车，剩下的游客分乘3辆面包车．平均每辆面包车坐多少人？
<gadget id="calculator">78 - 45</gadget>
<output>33</output>

<gadget id="calculator">33 / 3</gadget>
<output>11</output>

<result>11</result>