A book has 400 pages in total. Xiaofang read 20% of the total pages on the first day and (3/8) of the total pages on the second day. How many pages did Xiaofang read in total in the past two days?
一本书共400页，小芳第一天看了总页数20%，第二天看了总页数的(3/8)．小芳这两天一共看了多少页？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/5) + (3/8)</gadget>
<output>23/40 = around 0.575</output>

<gadget id="calculator">400 * (23/40)</gadget>
<output>230</output>

<result>230</result>