There are 36 students in the physical education group of the school, and 12 students in the art group are twice as many as the physical education group. How many people are there in the art group of the school?
学校体育组有36人，美术组人数比体育组人数的2倍少12人．学校美术组有多少人．
<gadget id="calculator">36 * 2</gadget>
<output>72</output>

<gadget id="calculator">72 - 12</gadget>
<output>60</output>

<result>60</result>