1 ton of wheat can grind 850 kg of flour, what is the flour extraction rate of wheat
1吨小麦可磨面粉850千克，小麦的出粉率是多少
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">850 / 1_000</gadget>
<output>17/20 = around 0.85</output>

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

<gadget id="calculator">(17/20) * 1</gadget>
<output>17/20 = around 0.85</output>

<result>17/20 = around 0.85</result>