There are 54 books on the bookshelf, among which science books account for (1/6), how many science books are there?
书架上有54本书，其中科技书占(1/6)，科技书有多少本？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">54 * (1/6)</gadget>
<output>9</output>

<result>9</result>