A bookshelf has two layers, the upper layer stores 75 books, and the lower layer stores 32 books less than 4 times of the upper layer. How many books are stored in this bookshelf?
一个书架有上下两层，上层存书75本，下层存书的本数比上层的4倍少32本．这个书架一共存放了多少本书？
<gadget id="calculator">75 * 4</gadget>
<output>300</output>

<gadget id="calculator">300 - 32</gadget>
<output>268</output>

<gadget id="calculator">268 + 75</gadget>
<output>343</output>

<result>343</result>