A total of 52 people participated in the mathematics interest group and painting group in the sixth grade. (1/2) the number of people in the mathematics group was equal to (3/7) the number of people in the painting group. How many people participated in the mathematics interest group?
六年级参加数学兴趣小组和绘画组的一共有52人，数学组人数的(1/2)与绘画组人数的(3/7)相等，参加数学兴趣小组有多少人？
<gadget id="calculator">6 + 7</gadget>
<output>13</output>

<gadget id="calculator">6 / 13</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">52 * (6/13)</gadget>
<output>24</output>

<result>24</result>