The school library purchased 380 new books, of which science and technology books accounted for (1/4), literature and art books accounted for 40%, how many science and technology books and literature and art books are there altogether?
学校图书馆购买了380本新书，其中科技类图书占了(1/4)，文艺类图书占了40%，科技类图书和文艺类图书一共有多少本？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">380 * (1/4)</gadget>
<output>95</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">380 * (2/5)</gadget>
<output>152</output>

<gadget id="calculator">95 + 152</gadget>
<output>247</output>

<result>247</result>