There are 60 students in Class 1, and the ratio of the number of males to females is 3:2. At least how many students should be selected to ensure that there are both males and females selected.
六1班有60名学生，男、女生人数比是3：2，至少选取多少人，才能保证选出的人中男、女生都有．
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">60 * (3/5)</gadget>
<output>36</output>

<gadget id="calculator">36 + 1</gadget>
<output>37</output>

<result>37</result>