In a mathematics competition, 160 people won the third prize, twice as many as the second prize, and 40% of the first prize won the second prize. How many people won the first prize?
在一次数学竞赛中，获三等奖的有160人，是获二等奖的2倍，获一等奖的是获二等奖的40%，获一等奖的有多少人？
<gadget id="calculator">160 / 2</gadget>
<output>80</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">80 * (2/5)</gadget>
<output>32</output>

<result>32</result>