Donghu Elementary School launched reading activities. Lili read a book (2/9) in the first 3 days, and read this book on average every day in the next 4 days (1/12). What percentage of Lili read this book on average every day this week?
东湖小学开展读书活动．丽丽前3天看了一本书的(2/9)，后4天平均每天看了这本书的(1/12)，莉莉这一周平均每天看了这本书的几分之几？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) * 4</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/9) + (1/3)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(5/9) / 7</gadget>
<output>5/63 = around 0.079365</output>

<result>5/63 = around 0.079365</result>