The distance from Xiaoli's home to school is 930 meters, and she walked 270 meters in 4.5 minutes. At this speed, how long does it take to get from home to school?
小丽家到学校的距离是930米，她4.5分钟走了270米，照这样的速度，从家到学校大约需要多长时间？
<gadget id="calculator">270 / 4.5</gadget>
<output>60</output>

<gadget id="calculator">930 / 60</gadget>
<output>31/2 = around 15.5</output>

<result>31/2 = around 15.5</result>