Xiao Ming planted 500 sunflowers, but 15 did not germinate. What is the germination rate of sunflowers?
小明种了500棵向日葵，结果有15棵没有发芽，向日葵的发芽率是多少．
<gadget id="calculator">500 - 15</gadget>
<output>485</output>

<gadget id="calculator">485 / 500</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>