Xiaofang walked 240 meters in 4 minutes. At this speed, she would have to walk 15 minutes from home to school. How far is her home from school?
小芳4分钟走240米，照这样的速度，她从家到学校要走15分钟．她家离学校多远？
<gadget id="calculator">240 / 4</gadget>
<output>60</output>

<gadget id="calculator">60 * 15</gadget>
<output>900</output>

<result>900</result>