Put 5 grams of salt in 100 grams of water, what is the percentage of salt in the salt water
把5克盐放入100克水中，盐占盐水的多少
<gadget id="calculator">5 + 100</gadget>
<output>105</output>

<gadget id="calculator">5 / 105</gadget>
<output>1/21 = around 0.047619</output>

<result>1/21 = around 0.047619</result>