Li Fang is a philatelist. Among the stamps she collected, there are 150 animal stamps, 25% more than character stamps. How many character stamps are there?
李芳同学是位集邮爱好者．她收集的邮票中，动物邮票有150张，比人物邮票多25%，人物邮票有多少张？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">150 / (5/4)</gadget>
<output>120</output>

<result>120</result>