A bottle of jam (1/2) kg, Xiaoming's family ate it in 5 days, how much of the whole bottle of jam is eaten every day on average.
一瓶果酱(1/2)千克，小明家5天吃完，平均每天吃的占整瓶果酱的多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>