80 seeds are used for a germination experiment, and 4 seeds do not germinate. What is the germination rate?
用80粒种子做发芽实验，未发芽的有4粒，发芽率是多少．
<gadget id="calculator">80 - 4</gadget>
<output>76</output>

<gadget id="calculator">76 / 80</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>