Students in the sixth grade donated books to Hope Primary School. They donated 144 story books. The number of literature and art books donated was 5/6 of story books, and the number of technology books donated was 1/3 of literature and art books. How many technical books have you donated?
六年级的同学们为希望小学捐书，故事书捐了144本，捐的文艺书的本数是故事书的(5/6)，捐的科技书的本数是文艺书的(1/3)，捐的科技书有多少本？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">144 * (5/6) * (1/3)</gadget>
<output>40</output>

<result>40</result>