A total of 560 students participated in this exam, among them (13/16) students got the last question right, and among them (4/35) students got full marks, how many of them got full marks in this exam people?
本次考试共有560名学生参加，其中(13/16)的学生做对了最后一题，而在这些人中又有(4/35)的学生得到了满分，求本次考试满分的有多少人？
<gadget id="calculator">13 / 16</gadget>
<output>13/16 = around 0.8125</output>

<gadget id="calculator">4 / 35</gadget>
<output>4/35 = around 0.114286</output>

<gadget id="calculator">560 * (13/16) * (4/35)</gadget>
<output>52</output>

<result>52</result>