The number of absentees in class 3, grade 6, accounted for (1/7) of the number of people in attendance today. Later, another student asked for leave. At this time, the number of absentees was 1/6 of the number of people in attendance. How many people are there in this class?
6年级3班今天缺勤人数占出勤人数的(1/7)，后来又有一名同学请假，这时缺勤人数是出勤人数的(1/6)，这个班有多少人？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</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">(7/6) / (1/42)</gadget>
<output>49</output>

<gadget id="calculator">49 * (1/7)</gadget>
<output>7</output>

<gadget id="calculator">7 + 49</gadget>
<output>56</output>

<result>56</result>