This semester, Zhanqi School carried out waste paper recycling activities. By the end of November, Class 6.1 recycled 40 kilograms of waste paper, which was 1/7 more than Class 6.2. How many kilograms of waste paper was recycled in Class 6.2?
本学期战旗学校开展废纸回收活动，到11月底，6.1班回收废纸40千克，比6.2班多回收(1/7)，6.2班回收废纸多少千克？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 + (1/7)</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">40 / (8/7)</gadget>
<output>35</output>

<result>35</result>