Obviously reading a story book, I read 15% of the whole book on the first day, exactly 54 pages, and read the rest (1/6) on the second day, how many pages did I read on the second day?
明明看一本故事书，第一天看了全书的15%，正好是54页，第二天看了余下的(1/6)，第二天看了多少页？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">54 / (3/20)</gadget>
<output>360</output>

<gadget id="calculator">360 - 54</gadget>
<output>306</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">306 * (1/6)</gadget>
<output>51</output>

<result>51</result>