A batch of water pipes were brought in from the construction site, with 7 on the top floor and 17 on the bottom floor, with a difference of 1 between two adjacent floors. How many water pipes were transported in total?
建筑工地运来进一批自来水管，最上层7根，最下层17根，每相邻的两层相差1根，求一共运进多少自来水管？
<gadget id="calculator">7 + 17</gadget>
<output>24</output>

<gadget id="calculator">17 - 7</gadget>
<output>10</output>

<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">11 / 2</gadget>
<output>11/2 = around 5.5</output>

<gadget id="calculator">24 * (11/2)</gadget>
<output>132</output>

<result>132</result>