If 200 corn seeds are used for a germination test, 15 of them do not germinate. What is the germination rate?
用200粒玉米种子作发芽试验，有15粒未发芽，发芽率是多少．
<gadget id="calculator">200 - 15</gadget>
<output>185</output>

<gadget id="calculator">185 / 200</gadget>
<output>37/40 = around 0.925</output>

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

<gadget id="calculator">(37/40) * 1</gadget>
<output>37/40 = around 0.925</output>

<result>37/40 = around 0.925</result>