Xiaofang's home is 630 meters away from school, and she walks at a speed of 70 m/min. How long does it take Xiaofang to walk to school?
小芳家到学校有630米，她走路的速度是70米/分，小芳走路到学校需要多少分钟？
<gadget id="calculator">630 / 70</gadget>
<output>9</output>

<result>9</result>