Xiao Ming reads a book. He reads (1/6) of the whole book on the first day, and the remaining (1/4) and 5 pages on the second day. At this time, there are still 70 pages left. How many pages are there in this book?
小明看一本书，第一天看了全书的(1/6)，第二天看了余下的(1/4)又5页，这时还剩下70页没有看．这本书一共多少页？
<gadget id="calculator">70 + 5</gadget>
<output>75</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(5/6) * (3/4)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">75 / (5/8)</gadget>
<output>120</output>

<result>120</result>