There are three kinds of tutoring books in Chinese, mathematics and English in the bookstore. Among them, Chinese accounts for the total (5/8), the ratio of English to mathematics is 3:5, and there are 120 more mathematics guidance books than English guidance books. How many books are there in total for these three tutorials?
书店里有语文、数学和英语三种辅导书．其中语文占总数的(5/8)，英语与数学的比是3：5，数学辅导书比英语辅导书多120本．这三种辅导书共有多少本？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">8 / (3/8)</gadget>
<output>64/3 = around 21.333333</output>

<gadget id="calculator">60 * (64/3)</gadget>
<output>1_280</output>

<result>1_280</result>