A storybook is 6.88 yuan, which is 0.96 yuan cheaper than a science book. How much should Xiaoji pay the salesperson for buying a storybook and a science book?
一本故事书6.88元，比一本科技书便宜0.96元，小纪买一本故事书和一本科技书，应付给营业员多少钱？
<gadget id="calculator">6.88 + 0.96 + 6.88</gadget>
<output>14.72</output>

<result>14.72</result>