Li Xiaogang's mother bought 30 bags of milk, and Xiaogang drank 1/3 of it in 5 days. How much is he drinking on average every day?
李小刚的妈妈买了30袋牛奶，小刚5天喝了(1/3)，平均每天喝几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) / 5</gadget>
<output>1/15 = around 0.066667</output>

<result>1/15 = around 0.066667</result>