There are 847 story books in the school library, and the number of story books is 7 times that of science and technology books. How many books are there in total?
学校图书室有故事书847本，故事书的数量是科技书的7倍，这两种书一共有多少本？
<gadget id="calculator">847 / 7</gadget>
<output>121</output>

<gadget id="calculator">121 + 847</gadget>
<output>968</output>

<result>968</result>