The school held a rope skipping competition, and the first, second and third prizes were awarded to the finalists according to the ratio of 2:3:5. If there are 18 players who won the first prize, how many players won the third prize?
学校举行跳绳比赛，对进入决赛的选手按2：3：5的比评出一、二、三等奖．如果获一等奖的选手有18人，那么获三等奖的选手有多少人？
<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<gadget id="calculator">9 * 5</gadget>
<output>45</output>

<result>45</result>