If 400 seeds are used for germination experiment, 8 seeds do not germinate, what is the germination rate?
用400粒种子做发芽实验，有8粒没有发芽，发芽率是多少．
<gadget id="calculator">400 - 8</gadget>
<output>392</output>

<gadget id="calculator">392 / 400</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>