Divide 5 kg of sugar into 9 packets on average, what is the mass of each packet of sugar in kilograms
把5千克糖平均分成9包，每包糖的质量是多少千克
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>