In a germination experiment with seeds, 490 seeds germinated and 10 did not germinate. What is the germination rate?
用种子做发芽实验，有490粒发芽，10粒没有发芽，发芽率是多少．
<gadget id="calculator">490 + 10</gadget>
<output>500</output>

<gadget id="calculator">490 / 500</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>