In the sixth grade, there are 48 people participating in the math group, 3/4 of the math group participating in the art group, and 1/3 of the art group participating in the physical education group. How many people are participating in the physical education group?
六年级参加数学小组的有48人，参加美术小组的人数是数学小组的(3/4)，参加体育小组的人数是美术小组的(1/3)，参加体育小组的有多少人？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">48 * (3/4) * (1/3)</gadget>
<output>12</output>

<result>12</result>