There are 5 people in the naughty family, of which women account for 40%. How many women are there?
淘气家共有5口人，其中女性占40%，女性有多少人？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">5 * (2/5)</gadget>
<output>2</output>

<result>2</result>