There are 120 science and technology books in the library, and there are fewer story books (1/6) than science and technology books. How many story books are there?
图书馆有科技书120本，故事书比科技书少(1/6)，故事书有多少本？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">120 * (5/6)</gadget>
<output>100</output>

<result>100</result>