The number of people who participated in the choir in the second class of the fifth grade accounted for (1/7) of the whole class. Later, one person joined the chorus. How many students are there in this class?
五年级二班参加合唱团的人数占全班人数的(1/7)，后来又有1人参加合唱团，这时全班参加合唱团的人数是未参加人数的(1/5)．这个班一共有几名学生？
<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

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

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

<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<result>42</result>