There are 35 students in the art group of the school, the number of boys is 2/3 of girls, how many girls are there?
学校美术组有35人，其中男生人数是女生的(2/3)，女生有多少人．
<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">35 / (5/3)</gadget>
<output>21</output>

<result>21</result>