The students go on a spring outing, if each car takes 45 people, there will be no seats for 27 people; if each car takes 48 people, it will be full and there will be no empty seats. How many people went to the spring outing?
同学们去春游，如果每辆车乘45人则有27人没有座位；如果每辆车乘48人则正好坐满，没有空位．共有多少人去春游？
<gadget id="calculator">48 - 45</gadget>
<output>3</output>

<gadget id="calculator">27 / 3</gadget>
<output>9</output>

<gadget id="calculator">48 * 9</gadget>
<output>432</output>

<result>432</result>