In a germination test with seeds, 150 seeds germinated and 50 did not germinate. What is the germination rate?
用种子做发芽试验，有150粒发芽，50粒没有发芽，发芽率是多少．
<gadget id="calculator">150 + 50</gadget>
<output>200</output>

<gadget id="calculator">150 / 200</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) * 1</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>