There is a kind of storybook in Xinhua Bookstore. You can buy 7 books for 112 yuan when you first come here. After two months, you can buy 8 books for 112 yuan. How much was the price cut for each storybook?
新华书店有一种故事书，刚来的时候112元能买7本，两个月后降价出售，112元能买8本．这种故事书后来每本降价多少钱？
<gadget id="calculator">112 / 7</gadget>
<output>16</output>

<gadget id="calculator">112 / 8</gadget>
<output>14</output>

<gadget id="calculator">16 - 14</gadget>
<output>2</output>

<result>2</result>