There are 150 boys in grade six, more than girls (2/3). How many girls are there in grade six?
六年级有男生150人，比女生人数多(2/3)，六年级有女生多少人？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">150 / (5/3)</gadget>
<output>90</output>

<result>90</result>