If 100 seeds are used for a germination experiment, 10 seeds do not germinate, what is the germination rate?
用100粒种子进行发芽实验，有10粒没发芽，发芽率是多少．
<gadget id="calculator">100 - 10</gadget>
<output>90</output>

<gadget id="calculator">90 / 100</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>