The number of absent students in a certain class is the number of absentees (1/26), and then another student asks for leave, so the number of absentees is 17 times the number of absentees. How many students are there in this class?
某班学生缺勤的人数是出勤的(1/26)，后又有一学生请假，于是出勤人数是缺勤人数的17倍．这个班共有学生几名？
<gadget id="calculator">17 + 1</gadget>
<output>18</output>

<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">26 + 1</gadget>
<output>27</output>

<gadget id="calculator">1 / 27</gadget>
<output>1/27 = around 0.037037</output>

<gadget id="calculator">(1/18) - (1/27)</gadget>
<output>1/54 = around 0.018519</output>

<gadget id="calculator">1 / (1/54)</gadget>
<output>54</output>

<result>54</result>