There are a total of 75 people in Youfangte Happy World. There is 1 bus and 2 vans. Each van can accommodate 9 people. How many people can be accommodated in the bus?
游方特欢乐世界，一共有75人，有1辆大客车和2辆面包车，每辆面包车坐9人，大客车坐多少人？
<gadget id="calculator">9 * 2</gadget>
<output>18</output>

<gadget id="calculator">75 - 18</gadget>
<output>57</output>

<result>57</result>