If 200 mung beans are used for a germination test, 4 of them do not germinate. What is the germination rate of mung beans?
用200粒绿豆做发芽试验，有4粒没有发芽，绿豆的发芽率是多少．
<gadget id="calculator">200 - 4</gadget>
<output>196</output>

<gadget id="calculator">196 / 200</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>