There are 68 students in the Yucai Primary School Mathematics Interest Group, among which the number of participants in the competition is 8 times less than the number of those who did not participate in the competition. How many students are there in the competition?
育才小学数学兴趣小组有学生68人，其中参加竞赛的人数是没有参加竞赛人数的8倍少4人，参加竞赛的学生有多少人？
<gadget id="calculator">68 + 4</gadget>
<output>72</output>

<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<gadget id="calculator">72 / 9</gadget>
<output>8</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">64 - 4</gadget>
<output>60</output>

<result>60</result>