Military dogs have a lot of stamina. Relevant data show that in a certain battle, known military dogs ran a distance of 21.7km in 50 minutes and transmitted important information on time. How many kilometers per minute does this military dog run on average?
军犬的耐力是比较大的．有关资料显示，在某次战斗中，已知军犬用50分跑完21.7km的路程，准时传送了重要情报．这只军犬平均每分跑多少千米？
<gadget id="calculator">21.7 / 50</gadget>
<output>0.434</output>

<result>0.434</result>