The number of students who are absent from a certain class is (1/6) of the number of people present. Later, because another student asks for leave, the number of students who are absent is equal to (1/5) of the number of people present. How many students are there in this class?
某班学生缺席的人数是出席人数的(1/6)，后因又有一个学生请假，于是缺席的人数等于出席人数的(1/5)，这个班一共有学生多少人？
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">(1/6) - (1/7)</gadget>
<output>1/42 = around 0.02381</output>

<gadget id="calculator">1 / (1/42)</gadget>
<output>42</output>

<result>42</result>