Beibei wants to buy and send two storybooks to her good friend Lili. The price of one is 15.4 yuan, and the price of the other is 9.8 yuan. There is also a postage of 1.5 yuan for each book. How much will Beibei spend in total? money?
贝贝要给好朋友丽丽买寄两本故事书，一本的价钱是15.4元，另一本的价钱是9.8元，邮寄时每本还要交1.5元的邮费，贝贝一共要花多少钱？
<gadget id="calculator">1.5 * 2</gadget>
<output>3</output>

<gadget id="calculator">15.4 + 9.8 + 3</gadget>
<output>28.2</output>

<result>28.2</result>