A grain processing factory grinds 285 tons of flour out of 300 tons of wheat. Find the flour extraction rate of this batch of wheat.
粮食加工厂用300吨小麦磨出了285吨面粉，求这批小麦的出粉率．
<gadget id="calculator">285 / 300</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>