In order to welcome the "2010 Asian Games", China Children's Theater needs to rehearse four squares of flowers, garlands, national flags and balloons. Each square needs 128 people. The number of applicants is three times that of the four squares. How many people sign up? join?
中国少儿剧院为迎接"2010亚运会"，要排练鲜花、花环、国旗、气球4个方阵，每个方阵需要128人，报名的人数是4个方阵人数的3倍，有多少人报名参加？
<gadget id="calculator">128 * 4 * 3</gadget>
<output>1_536</output>

<result>1_536</result>