There are 150 fifth grade students in a school, 60% of whom are boys, how many are girls?
某校有五年级学生150人，其中男生占60%，女生有多少人．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">150 * (2/5)</gadget>
<output>60</output>

<result>60</result>