6 soda cans and 9 drink bottles, all of which are the same price, a total of 4.5 yuan, how much is each?
6个易拉罐、9个饮料瓶，每个价钱都一样，一共是4.5元，每个多少元？
<gadget id="calculator">6 + 9</gadget>
<output>15</output>

<gadget id="calculator">4.5 / 15</gadget>
<output>0.3</output>

<result>0.3</result>