The flour extraction rate of wheat is 85%, how many kilograms of flour can be ground from 3000kg of wheat.
小麦的出粉率是85%，3000kg小麦可磨面粉多少千克．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">3_000 * (17/20)</gadget>
<output>2_550</output>

<result>2_550</result>