Xiao Ming reads a story book. On the first day, he reads (1/3) of the whole book. On the second day, he reads 10 pages more than the first day. At this time, there are still 80 pages left. How many pages are there in this book?
小明看一本故事书，第一天看了全书的(1/3)，第二天比第一天多看10页，这时还剩80页没有看完，这本书一共有多少页？
<gadget id="calculator">80 + 10</gadget>
<output>90</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3) - (1/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">90 / (1/3)</gadget>
<output>270</output>

<result>270</result>