1 gram of salt and 9 grams of water are mixed to form brine, how much salt accounts for the brine
1克盐和9克水混合成盐水，盐占盐水的多少
<gadget id="calculator">1 + 9</gadget>
<output>10</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>