There are 400 seeds in a batch, and the germination rate is 96%, so how many of them did not germinate?
一批种子有400棵，发芽率为96%，那么没发芽的有几棵？
<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">400 * (1/25)</gadget>
<output>16</output>

<result>16</result>