A story book has 200 pages. Xiao Ming reads 20% of the book on the first day, and continues to read it on the second day. How many pages does Xiao Ming start to read the next day?
一本故事书有200页，小明第一天看了这本书的20%，第二天接着看，小明第二天要从第多少页开始看．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">200 * (1/5)</gadget>
<output>40</output>

<gadget id="calculator">40 + 1</gadget>
<output>41</output>

<result>41</result>