The weight ratio of salt to water in salt water is 1:10, so how much is the weight of salt in the weight of salt water?
盐水中盐和水的重量的比是1：10，那么盐的重量占盐水重量的多少．
<gadget id="calculator">1 + 10</gadget>
<output>11</output>

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

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