300 soybeans were used for a germination experiment, and 45 did not germinate. What is the germination rate of these soybeans?
用300粒黄豆做发芽实验，45粒没有发芽，这些黄豆的发芽率是多少．
<gadget id="calculator">300 - 45</gadget>
<output>255</output>

<gadget id="calculator">255 / 300</gadget>
<output>17/20 = around 0.85</output>

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

<gadget id="calculator">(17/20) * 1</gadget>
<output>17/20 = around 0.85</output>

<result>17/20 = around 0.85</result>