The students went to the station to participate in voluntary labor, boys accounted for 45%, and 33 girls. How many people participated in voluntary labor?
同学们到车站参加义务劳动，男生占45%，女生有33人．参加义务劳动的一共有多少人？
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1 - (9/20)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">33 / (11/20)</gadget>
<output>60</output>

<result>60</result>