There are (1/3) boys in the chorus, what percentage of the girls are in the chorus?
合唱队有(1/3)是男生，女生占合唱队的几分之几呢？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>