The distance from Xiao Ming's home to school is about 2000 meters. It took Xiao Ming 18 minutes to go to school from home. After finding out that he had forgotten to bring his textbooks, Xiao Ming immediately went home to get his textbooks and took another 14 minutes. What is Xiao Ming's average speed in meters per minute on his way to and from school?
小明家到学校的距离大约有2000米，小明从家去学校用了18分钟，发现课忘带后，小明立即返回家拿课本又用了14分钟．小明往返上学路上的平均速度是每分钟是多少米？
<gadget id="calculator">18 + 14</gadget>
<output>32</output>

<gadget id="calculator">2 / 32</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">2_000 * (1/16)</gadget>
<output>125</output>

<result>125</result>