There are 120 story books in the library, which are (3/4) of science books, and (5/6) times of medical books. How many medical books are there in the library?
图书馆里有故事书120本，是科技书的(3/4)，科技书又是医学书的(5/6)倍，图书馆里有医学书多少本？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">120 / (3/4) / (5/6)</gadget>
<output>192</output>

<result>192</result>