The unit price of cans and beverage bottles recovered by the recycling station is the same, 15 cans and 24 beverage bottles, a total of 3.9 yuan. How much is each?
回收站回收的易拉罐和饮料瓶的单价一样，15个易拉罐，24个饮料瓶，一共是3.9元．每个多少钱？
<gadget id="calculator">15 + 24</gadget>
<output>39</output>

<gadget id="calculator">3.9 / 39</gadget>
<output>0.1</output>

<result>0.1</result>