Rui'an Vineyard Hotel wanted to recruit a group of waiters according to the ratio of male to female at 3:5, but 48 people were recruited, how many of them are waitresses?
瑞安葡萄园大酒店要按男女人数的比3：5招收一批服务员，结果招收了48人，其中女服务员有多少人．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">48 / 8</gadget>
<output>6</output>

<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<result>30</result>