6 kilograms of oil are packed in 12 bottles on average, how many kilograms are contained in each bottle.
将6千克油平均装在12个瓶子里，每个瓶子装多少千克．
<gadget id="calculator">6 / 12</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>