Dongdong's home is 800 meters away from the school. It takes Dongdong 4 minutes to get to school every day. How many meters does Dongdong walk on average per minute?
东东家离学校800米，东东每天上学用4分钟到学校，东东平均每分钟走多少米．
<gadget id="calculator">800 / 4</gadget>
<output>200</output>

<result>200</result>