The original number of boys in Class 6 (1) was the number of girls (5/4). After transferring 1 girl, the number of girls accounted for (5/11) of the whole class. How many students are there in this class?
六(一)班原有男生人数是女生人数的(5/4)，转来1名女生以后，女生人数占全班人数的(5/11)．这个班原有学生多少人？
<gadget id="calculator">11 - 5</gadget>
<output>6</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(5/6) - (4/5)</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">1 / (1/30)</gadget>
<output>30</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / (1/30) / (5/4)</gadget>
<output>24</output>

<gadget id="calculator">30 + 24</gadget>
<output>54</output>

<result>54</result>