The science and technology group divided 500 seeds into two piles for germination experiment. The first pile of 300 seeds had a germination rate of 95%, and the second pile of seeds all germinated. What is the germination rate of these 500 seeds?
科技组把500粒种子分成两堆做发芽实验，第一堆300粒，发芽率为95%，第二堆种子全部发芽．这500粒种子的发芽率是多少．
<gadget id="calculator">500 - 300</gadget>
<output>200</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">300 * (19/20)</gadget>
<output>285</output>

<gadget id="calculator">200 + 285</gadget>
<output>485</output>

<gadget id="calculator">485 / 500</gadget>
<output>97/100 = around 0.97</output>

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

<gadget id="calculator">(97/100) * 1</gadget>
<output>97/100 = around 0.97</output>

<result>97/100 = around 0.97</result>