The school has 600 science and technology books, which is 5 times that of literature and art books. How many science and literature books are there?
学校有科技书600本，是文艺书的5倍，科技书和文艺书共有多少本？
<gadget id="calculator">600 / 5</gadget>
<output>120</output>

<gadget id="calculator">120 + 600</gadget>
<output>720</output>

<result>720</result>