Xiao Ming is a philatelist. Among the stamps he collected, there are 60 animal stamps, 20% more than character stamps. How many character stamps are there? (Write out the equivalent relation first, then answer it)
小明是位集邮爱好者，他收集的邮票中，动物邮票有60张，比人物邮票多20%．人物邮票有多少张？(先写出等量关系式，再解答)
<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>