The school held a sports meeting. There were 20 students from Class 62 participating, and 30% of the students entered the top three to win the prize. How many of the students from Class 62 who did not win the prize?
学校举行运动会，六二班有20人参加，其中有30%的同学进入前三名获奖，六二班参赛同学没有获奖的有多少人？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">20 * (7/10)</gadget>
<output>14</output>

<result>14</result>