Xiaoguang has 60 books, 25% less than Xiaoying. How many books does Xiaoying have? what is the formula
小光有60本书，比小英少25%，小英有多少本书？算式是多少
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>

<result>80</result>