Grandpa Yuan Longping experimented with a batch of seeds and found that 485 seeds germinated and 15 did not germinate. What is the germination rate of this batch of seeds?
袁隆平爷爷用一批种子做实验，发现有485粒发芽，15粒没发芽，这批种子的发芽率是多少．
<gadget id="calculator">485 + 15</gadget>
<output>500</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>