There are 7 grams of salt and 100 grams of water in the brine, plus 3 grams of salt, how much is the salt in the brine
盐水中有7克盐和100克水，再加上3克盐，那么盐占盐水的多少
<gadget id="calculator">7 + 3</gadget>
<output>10</output>

<gadget id="calculator">7 + 3 + 100</gadget>
<output>110</output>

<gadget id="calculator">10 / 110</gadget>
<output>1/11 = around 0.090909</output>

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