Use 300 seeds to do a germination test. The germination rate is 96%. How many ungerminated seeds are there?
用300粒种子做发芽试验，发芽率是96%，未发芽种子有多少粒．
<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">1 - (24/25)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">300 * (1/25)</gadget>
<output>12</output>

<result>12</result>