A book has 400 pages. Xiao Zhao read 10% of the book on the first day, and read 5% more of the book on the second day than on the first day. How many pages should he read on the third day?
一本书有400页，小赵第一天看了这本书的10%，第二天比第一天多看了全书的5%，第三天应从第多少页看起．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/10) + (1/10) + (1/20)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">400 * (1/4)</gadget>
<output>100</output>

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

<result>101</result>