100 seeds were used for germination test, 16 seeds did not germinate, what is the germination rate?
用100粒种子作发芽试验，有16粒未发芽，发芽率为多少．
<gadget id="calculator">100 - 16</gadget>
<output>84</output>

<gadget id="calculator">84 / 100</gadget>
<output>21/25 = around 0.84</output>

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

<gadget id="calculator">(21/25) * 1</gadget>
<output>21/25 = around 0.84</output>

<result>21/25 = around 0.84</result>