The school library bought 48 science and technology books, and bought 4 times as many literature and art books as science and technology books. How many new books did the library buy in total?
学校图书馆买来科技书48本，买来的文艺书是科技书的4倍，图书馆共买来新书多少本？
<gadget id="calculator">48 * 4</gadget>
<output>192</output>

<gadget id="calculator">192 + 48</gadget>
<output>240</output>

<result>240</result>