There are 15 boys in the art group and 25 girls in the school. The number of people in the computer group is three times that of the art group. There are 20 people in the aircraft model group. How many times the number of people in the computer group is the number of the aircraft model group?
学校美术组有男生15人，女生25人，电脑组的人数是美术组人数的3倍，航模组有20人，电脑组的人数是航模组人数的几倍？
<gadget id="calculator">15 + 25</gadget>
<output>40</output>

<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">40 * (3/20)</gadget>
<output>6</output>

<result>6</result>