Xiao Ming used 200 soybeans for a germination test, and 20 did not germinate. What is the germination rate?
小明用200粒黄豆做发芽试验，有20粒没有发芽，发芽率是多少．
<gadget id="calculator">200 - 20</gadget>
<output>180</output>

<gadget id="calculator">180 / 200</gadget>
<output>9/10 = around 0.9</output>

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

<gadget id="calculator">(9/10) * 1</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>