A storybook is 6.88 yuan, which is 0.95 yuan cheaper than a science book. How much should Xiaohong 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0.95元，小红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 + 1.95 + 6.88</gadget>
<output>15.71</output>

<result>15.71</result>