Pack 2 kilograms of sugar into 5 packages on average, how much is the weight of each package in kilograms
把2千克糖平均包成5包，每包的重量是多少千克
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>