80 seeds are used for a germination test, and 8 seeds germinate. What is the germination rate of this batch of seeds?
用80粒种子做发芽试验，结果有8粒发芽，这批种子的发芽率是多少．
<gadget id="calculator">80 - 8</gadget>
<output>72</output>

<gadget id="calculator">72 / 80</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>