Dissolve 1 gram of salt in 99 grams of water, what is the percentage of salt in the salt water
把1克盐溶于99克水中，盐占盐水的多少
<gadget id="calculator">1 + 99</gadget>
<output>100</output>

<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<result>1/100 = around 0.01</result>