The school held a sports competition. There were 80 people who won the third prize. The number of people who won the first prize was the third prize (1/4), and the second prize (2/3). how many people?
学校举行体育比赛，获得三等奖的人数有80人，获得一等奖的人数是获得三等奖的(1/4)，并且是二等奖的(2/3)，获得二等奖的有多少人？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/4) / (2/3)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">80 * (3/8)</gadget>
<output>30</output>

<result>30</result>