Put 40 grams of pesticides into 760 grams of water, how much does the medicine account for?
把40克农药放入760克水中，药占药水的多少
<gadget id="calculator">760 + 40</gadget>
<output>800</output>

<gadget id="calculator">40 / 800</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>