Test the germination rate of a batch of seeds, put 100 seeds in the first box, 25 seeds did not germinate, put 25 seeds in the second box, all germinated. What is the germination rate of this batch of seeds?
试验一批种子的发芽率，第一盒中放人100粒，有25粒没有发芽，第二盒中放入25粒，全部发芽．这批种子的发芽率是多少．
<gadget id="calculator">100 - 25</gadget>
<output>75</output>

<gadget id="calculator">75 + 25</gadget>
<output>100</output>

<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<gadget id="calculator">100 / 125</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>