The students and teachers of Class 6 and 2 of Huana Primary School went on an outing in two cars. The ratio of the number of passengers in the bus to the minibus was 5:2, and there were 45 people in the bus. How many people are on the minibus?
华纳小学六2班的学生和老师乘坐两辆汽车去郊游，大巴车和中巴车乘坐人数的比是5：2，大巴车上坐了45人．中巴车上坐了多少人？
<gadget id="calculator">45 / 5</gadget>
<output>9</output>

<gadget id="calculator">9 * 2</gadget>
<output>18</output>

<result>18</result>