Beibei started from home to the school 2400 meters away, and traveled (1/4) of the total distance in the first 6 minutes. At this speed, how many minutes will it take to reach the school?
贝贝从家出发到2400米外的学校上学，前6分钟走了总路程的(1/4)，照这样的速度，到学校还需要多少分钟？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">6 / (1/4)</gadget>
<output>24</output>

<gadget id="calculator">24 - 6</gadget>
<output>18</output>

<result>18</result>