There are a total of 144 students in the school interest group. Among them, art students account for 2/9 of the total number of students in the group, and the number of students who study music is half of the number of students who study art. How many people study music?
学校兴趣小组共有学生144人，其中学美术的占全组总人数的(2/9)，学音乐的人数是学美术人数的一半，有多少人学音乐？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">144 * (2/9) * (1/2)</gadget>
<output>16</output>

<result>16</result>