Mr. Wang reads a 380-page book. He read 30% of the book in the first week and 40% of the book in the second week. How many pages did he read in two weeks?
王老师读一本380页的书，第一周读了这本书的30%，第二周读了这本书的40%，两周一共读了多少页？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/10) + (2/5)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">380 * (7/10)</gadget>
<output>266</output>

<result>266</result>