The school planted 400 saplings and 12 died. What is the survival rate?
学校栽了400棵树苗，死了12棵，成活率是多少？
<gadget id="calculator">400 - 12</gadget>
<output>388</output>

<gadget id="calculator">388 / 400</gadget>
<output>97/100 = around 0.97</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(97/100) * 1</gadget>
<output>97/100 = around 0.97</output>

<result>97/100 = around 0.97</result>