The school held a cultural performance to celebrate the 62nd anniversary of the founding of the People's Republic of China. Among the 3,200 students in the school, 30% participated in the performance, and 50% of them participated in the singing and dancing performance. How many people participated in the singing and dancing performance?
学校举行庆祝建国六十二周年文艺演出活动，全校3200人中，有30%的人参加了演出，其中参加歌舞表演的占了50%，共有多少人参加了歌舞表演？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3_200 * (3/10) * (1/2)</gadget>
<output>480</output>

<result>480</result>