There are 200 story books in the fifth grade in our school. The number of science books is (3/5) that of story books, and the number of literature and art books is (3/5) of science books. How many literature and art books are there?
我校五年级有故事书200本，科技书的本数是故事书的(3/5)，文艺书的本数是科技书的(3/5)，文艺书有多少本？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">200 * (3/5) * (3/5)</gadget>
<output>72</output>

<result>72</result>