The flour extraction rate of wheat is 75%, how many kilograms of wheat is needed to produce 825 kg of flour.
小麦的出粉率是75%，要出面粉825千克，需要小麦多少千克．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">825 / (3/4)</gadget>
<output>1_100</output>

<result>1_100</result>