In the school track and field team, the number of girls accounted for 1/4 of the whole team. Later, 6 female students joined in, so that girls accounted for half of the team. So how many girls are there in the track and field team now?
学校田径队原来女生人数占全队人数的(1/4)，后来又有6名女同学参加进来，这样女生就占全队人数的一半．那么现在田径队有女生多少人？
<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<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>

<gadget id="calculator">6 / (2/3)</gadget>
<output>9</output>

<gadget id="calculator">9 * 1</gadget>
<output>9</output>

<result>9</result>