After adding 1 kg of salt to 10 kg of water, what is the percentage of salt in the brine
10千克水加入1千克盐后，盐占盐水的多少
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

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

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