In a storybook, Xiao Ming read 20% of the whole book on the first day, and 18 pages on the second day. At this time, there are still 58 pages left unread. How many pages are there in total in this storybook?
一本故事书，小明第一天读了全书的20%，第二天读了18页，这时还有58页没有读，这本故事书一共有多少页．
<gadget id="calculator">18 + 58</gadget>
<output>76</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">76 / (4/5)</gadget>
<output>95</output>

<result>95</result>