Seventh grade students collected stamps, Honghong collected 60 stamps, 20% more than Mingming, how many stamps did Mingming collect?
七年级同学集邮，红红收集了60张，比明明多收集了20%，明明收集了多少张邮票？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">60 / (6/5)</gadget>
<output>50</output>

<result>50</result>