Xiaoli reads a 180-page story book. She reads (1/5) of this book in the first week and (2/5) of this book in the second week. start watching?
小丽看一本180页的故事书，第一周看了这本书的(1/5)，第二周看了这本书的(2/5)，小丽第三周从第几页开始看？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">(1/5) + (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">180 * (3/5)</gadget>
<output>108</output>

<gadget id="calculator">108 + 1</gadget>
<output>109</output>

<result>109</result>