A story book has 300 pages. I read the whole book (3/5) on the first day, and the rest (5/6) on the second day. How many pages did I read on the second day?
一本故事书300页，第一天看了全书的(3/5)，第二天看了余下的(5/6)，第二天看了多少页？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">300 * (2/5) * (5/6)</gadget>
<output>100</output>

<result>100</result>