In 90 grams of water, add 10 grams of salt, how much salt accounts for the brine
在90克水中，加入10克盐，盐占盐水的多少
<gadget id="calculator">90 + 10</gadget>
<output>100</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

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