Among the winners of the Bachuan Middle School Science and Technology Competition, there are 14 students from the first grade, 18 students from the second grade, and the remaining 8 students from the third grade. If the number of award-winning students in each grade is made into a fan-shaped statistical chart, what is the degree of the central angle of the fan-shaped circle where the number of award-winning students in the third grade is located?
参加巴川中学科技比赛获将的学生中，初一年级的有14人，初二年级的有18人，其余8人是初三年级的．若将各年级获奖学生人数制成扇形统计图，初三年级获奖人数所在的扇形的圆心角的度数是多少度．
<gadget id="calculator">14 + 18 + 8</gadget>
<output>40</output>

<gadget id="calculator">8 / 40</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">360 * (1/5)</gadget>
<output>72</output>

<result>72</result>