Put 1 kg of sugar into 5 kg of water, what is the percentage of sugar in the sugar water?
把1千克的糖放入5千克的水中，糖占糖水的多少．
<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>