There are 1,800 literature and art books in the school library, 80 more than (4/3) times the number of science and technology books. How many of these two books are there in total?
学校图书室有文艺书1800本，比科技书的(4/3)倍还多80本，求这两种书共多少本？
<gadget id="calculator">1_800 - 80</gadget>
<output>1_720</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">1_720 / (4/3)</gadget>
<output>1_290</output>

<gadget id="calculator">1_290 + 1_800</gadget>
<output>3_090</output>

<result>3_090</result>