In a meeting of a certain class, the number of people who ask for leave is equal to the number of people present (1/14), and another person asks for leave and leaves halfway through. In this way, the number of people who ask for leave is equal to the number of people present (1/11). How many students are there in this class?
某班一次集会，请假人数是出席人数的(1/14)，中途又有一人请假离开，这样一来，请假人数是出席人数的(1/11)，这个班共有学生多少人？
<gadget id="calculator">1 + 11</gadget>
<output>12</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 + 14</gadget>
<output>15</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/12) - (1/15)</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">1 / (1/60)</gadget>
<output>60</output>

<result>60</result>