Put 2 grams of salt into 20 grams of water, and the weight of the salt accounts for ((())/(())) of the salt water.
把2克盐放入20克水中，盐的重量占盐水的((())/(()))．
<gadget id="calculator">20 + 2</gadget>
<output>22</output>

<gadget id="calculator">2 / 22</gadget>
<output>1/11 = around 0.090909</output>

<result>1/11 = around 0.090909</result>