The flour extraction rate of wheat is 85%, how many kilograms of flour can be produced by grinding 1000 kilograms of wheat.
小麦的出粉率是85%，1000千克小麦可以磨出多少千克面粉．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1_000 * (17/20)</gadget>
<output>850</output>

<result>850</result>