If 300 kg of wheat can be used to grind 255 kg of flour, what is the flour extraction rate of this type of wheat?
用300千克小麦可磨出255千克面粉，这种小麦的出粉率是多少．
<gadget id="calculator">255 / 300</gadget>
<output>17/20 = around 0.85</output>

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

<gadget id="calculator">(17/20) * 1</gadget>
<output>17/20 = around 0.85</output>

<result>17/20 = around 0.85</result>