A bottle of jam has (1/2) kilograms. The naughty man eats it in 5 days. How many grams does he eat on average per day?
一瓶果酱有(1/2)千克，淘气家5天吃完，平均每天吃多少克？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / 5</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>