If 400 saplings are planted, 12 of them do not survive. What is the survival rate of these saplings?
种植400棵树苗，结果有12棵没有成活，这批树苗的成活率是多少．
<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>