In a mathematics competition, there are 160 winners, and 30% of them won the first prize. How many people won the first prize?
在一次数学竞赛中，获奖人数有160人，其中获一等奖的有30%，获一等奖的有多少人？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">160 * (3/10)</gadget>
<output>48</output>

<result>48</result>