Dissolve 4 kg of sugar in 51 kg of water, what is the percentage of sugar in the sugar water
把4千克糖溶入51千克水中，糖占糖水的多少
<gadget id="calculator">4 + 51</gadget>
<output>55</output>

<gadget id="calculator">4 / 55</gadget>
<output>4/55 = around 0.072727</output>

<result>4/55 = around 0.072727</result>