A total of 104 students from a certain area of the Ninth Hua Luogeng Youth Mathematics Invitational Competition won the first, second and third prizes respectively. The number of people who won the first prize is 1/20 of the number of people who won the third prize, and the number of people who won the second prize was 25% of the number of people who won the third prize. How many people won the third prize?
第九届华罗庚少年数学邀请赛某赛区共有104人分别获得一、二、三等奖．获一等奖的人数是三等奖人数的(1/20)，获二等奖人数是三等奖人数的25%，获三等奖有多少人？
<gadget id="calculator">104 / 1.3</gadget>
<output>80</output>

<result>80</result>