Zhang Hong used 20 soybeans to do a seed germination test. As a result, 18 soybeans germinated. What is the germination rate of soybeans?
张红用20粒黄豆做种子发芽试验，结果有18粒黄豆发了芽，黄豆的发芽率是多少．
<gadget id="calculator">18 / 20</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>