A book has read 27 pages, and the remaining pages are 4 times less than the number of pages that have been read. How many pages are there in this book?
一本书已经看了27页，剩下的比已经看的4倍少5页，这本书共有多少页？
<gadget id="calculator">4 * 27</gadget>
<output>108</output>

<gadget id="calculator">108 - 5</gadget>
<output>103</output>

<gadget id="calculator">27 + 103</gadget>
<output>130</output>

<result>130</result>