Put 5 grams of salt into 10 grams of water, and the salt accounts for ((())/(())) of the salt water.
把5克盐放入10克水中，盐占盐水的((())/(()))．
<gadget id="calculator">10 + 5</gadget>
<output>15</output>

<gadget id="calculator">5 / 15</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>