There are three departments in an agency. Department A has 84 civil servants, Department B has 56 civil servants, and Department C has 60 civil servants. If each department cuts off personnel according to the same ratio, so that this agency retains 150 civil servants, then Department A will retain 150 civil servants. What is the number of civil servants below?
某机关有三个部门，A部门有公务员84人，B部门有公务员56人，C部门有公务员60人，如果每个部门按相同的比例裁剪人员，使这个机关留公务员150人，那么A部门留下的公务员的人数是多少人．
<gadget id="calculator">84 + 56 + 60</gadget>
<output>200</output>

<gadget id="calculator">150 / 200</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">84 * (3/4)</gadget>
<output>63</output>

<result>63</result>