The students of Class 61 participate in the three groups of science and technology, sports and calligraphy. The number of people participating in the science and technology group accounts for 45% of the whole class. The ratio of the number of people participating in the sports group to the number of the calligraphy group is 6:5. It is known that the number of participants in the calligraphy group is 8 fewer than the number of participants in the science and technology group. How many people are in the sports group?
六1班学生参加学校科技、体育、书法三个小组，参加科技组的人数占全班人数的45%，参加体育组的人数与书法组的人数的比是6：5．已知参加书法组的人数比参加科技组的人数少8人．参加体育组的有多少人？
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1 - (9/20)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<gadget id="calculator">5 / 11</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">(11/20) * (5/11)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(9/20) - (1/4)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">8 / (1/5)</gadget>
<output>40</output>

<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">40 * (11/20) * (6/11)</gadget>
<output>12</output>

<result>12</result>