Using 1200 kg of wheat with a flour extraction rate of 85%, how many kilograms of flour can be ground?
用1200千克出粉率为85%的小麦，能磨出面粉多少千克？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1_200 * (17/20)</gadget>
<output>1_020</output>

<result>1_020</result>