A story book has 54 pages, Xiaohong just read (5/6) of this book, Xiaoming read less (2/5) than Xiaohong, how many pages did Xiaoming read?
一本故事书有54页，小红正好读了这本书的(5/6)，小明读的比小红少(2/5)，小明读了多少页？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">54 * (5/6) * (3/5)</gadget>
<output>27</output>

<result>27</result>