The distance from Xiaofang's home to the school is 2000 meters. One morning, she rode a bicycle to school and walked 1250 meters in 6 minutes. At this time, she found that she had to get to school in 3 minutes, otherwise she would be late. How many meters per minute is the remaining distance?
小芳家到学校的路程是2000米．一天早上，她骑车去学校，6分钟行了1250米，这时发现必须用3分钟赶到学校，否则会迟到．剩下的路程每分钟要行多少米？
<gadget id="calculator">2_000 - 1_250</gadget>
<output>750</output>

<gadget id="calculator">750 / 3</gadget>
<output>250</output>

<result>250</result>