Xiaogang has 45% more extracurricular books than Xiaoming. Xiaogang has 116 extracurricular books. How many books does Xiaoming have?
小刚的课外书本数比小明多45%，小刚有课外书116本，小明有多少本？
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1 + (9/20)</gadget>
<output>29/20 = around 1.45</output>

<gadget id="calculator">116 / (29/20)</gadget>
<output>80</output>

<result>80</result>