There are 40 workers in a shirt factory. The ratio of male workers to female workers is 2:3. How many female workers are there?
衬衣厂有40名工人，男工人与女工人的比是2：3，女工人有多少人？
<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">40 * (3/5)</gadget>
<output>24</output>

<result>24</result>