Xiao Ming read a storybook on the first day and read 76 pages, and left (3/5) of the whole book unread. How many pages is this storybook?
小明读一本故事书第一天读了76页，还剩全书的(3/5)没有读，这本故事书多少页？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">76 / (2/5)</gadget>
<output>190</output>

<result>190</result>