In the reading activity, Xiaoqiang read a book with a total of 136 pages. He has read 25% of the book. How many pages are left?
在读书活动中，小强读一本书，全书共136页，已读了全书的25%，还剩多少页没有读完？
<gadget id="calculator">25 / 100</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">136 * (3/4)</gadget>
<output>102</output>

<result>102</result>