There are 150 story books in the fifth grade of a certain school. The number of science books is (3/5) that of story books, and (3/4) the number of literature and art books. How many literature and art books are there?
某学校五年级有故事书150本，科技书的本数是故事书的(3/5)，又是文艺书本数的(3/4)，文艺书有多少本？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/5) / (3/4)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">150 * (4/5)</gadget>
<output>120</output>

<result>120</result>