Xiaogang walks 60 meters per minute from home to school, 16 minutes to get there, and 24 minutes to return home from school. How many meters per minute does he walk on average when he returns home from school?
小刚从家到学校，每分钟走60米，16分钟可以到达，放学回家时可用24分钟，他放学回家时平均每分钟走多少米？
<gadget id="calculator">16 / 24</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">60 * (2/3)</gadget>
<output>40</output>

<result>40</result>