Everyone who reads in the school library reading room has a seat, and there is no empty seat. After a while, the people who read the book left (1/8), and 21 new people came, so there were not enough seats, so 14 of them were 2 people sharing the same seat. How many seats are there in this library reading room?
学校图书阅览室内看书的人，人人有座位，而且是座无虚席．过了一会儿，看书的人走了(1/8)，又新来了21人，因此座位不够了，于是其中有14人是2人合坐一个位置．这个图书阅览室有多少个座位？
<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">21 - 7</gadget>
<output>14</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">14 / (1/8)</gadget>
<output>112</output>

<result>112</result>