Dissolve 5 grams of salt in 50 grams of water, what is the percentage of salt in the salt water
把5克盐溶入50克水中，盐占盐水的多少
<gadget id="calculator">5 + 50</gadget>
<output>55</output>

<gadget id="calculator">5 / 55</gadget>
<output>1/11 = around 0.090909</output>

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