A bottle of milk is 3.2 yuan, which is 1.3 yuan less than a bottle of Coke. How much is a bottle of milk and a bottle of Coke?
一瓶牛奶3.2元，比一瓶可乐少1.3元，一瓶牛奶和一瓶可乐共多少钱？
<gadget id="calculator">3.2 + 1.3 + 3.2</gadget>
<output>7.7</output>

<result>7.7</result>