was in the same class with Lan Lan just now, and lived in the same building. One day they went home together after school. Lan Lan walked 60 meters per minute, and just now walked 80 meters per minute. When he was leaving school, he just met his friend and chatted for 5 minutes before leaving. Finally, he and Lan Lan walked at the same time. home. How far is their home from school?
刚刚和兰兰是同班同学，又住同一幢楼．有一天他们放学后同时回家，兰兰每分钟走60米，刚刚每分钟走80米，临出校门时，刚刚遇到了他的朋友，于是聊了5分钟才离开，最后他与兰兰同时到家．他们的家离学校有多远？
<gadget id="calculator">80 - 60</gadget>
<output>20</output>

<gadget id="calculator">5 / 20</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">60 * (1/4) * 80</gadget>
<output>1_200</output>

<result>1_200</result>