Xiao Fang reads a 250-page story book, and reads (2/5) of the total number of pages in the book on the first day. On the second day, he should start reading from the day number.
小方看一本250页的故事书，第一天看了全书总页数的(2/5)，第二天应从第多少天开始看起．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">250 * (2/5)</gadget>
<output>100</output>

<gadget id="calculator">100 + 1</gadget>
<output>101</output>

<result>101</result>