Uncle Wang wanted to deliver documents to the 16th floor of Tianyu Building, but the elevator stopped due to a power outage, so Uncle Wang could only take the stairs. It took him 72 seconds to walk from the first floor to the fifth floor. According to this calculation, how many seconds will it take him to walk from the fifth floor to the sixteenth floor?
王叔叔要到天宇大厦的十六楼送文件，因停电使电梯停开，王叔叔只能走楼梯．他从一楼走到五楼用了72秒，照这样计算，他从五楼走到十六楼，还需要多少秒？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<gadget id="calculator">16 - 5</gadget>
<output>11</output>

<gadget id="calculator">18 * 11</gadget>
<output>198</output>

<result>198</result>