On a map with a scale of 1:50000, the distance between A and B is 12 centimeters. It takes Wang Feng to cycle from A to B for 30 minutes. How many meters does he ride per minute?
在比例尺为1：50000的地图上，甲乙两地的距离是12厘米，王峰从甲地骑车到乙地用来30分钟，他每分钟骑行多少米？
<gadget id="calculator">1 / 50_000</gadget>
<output>1/50_000 = around 0.00002</output>

<gadget id="calculator">12 / (1/50_000) / 100 / 30</gadget>
<output>200</output>

<result>200</result>