There is a total of 251.1 kilometers from Bijie to Guiyang by expressway. The route in the middle is Bijie-Dafang-Qianxi-Zhijin-Qingzhen-Guiyang. The distance from Bijie to Qianxi is 107.2 kilometers, and the distance from Qianxi to Qingzhen is 105.8 kilometers. Kilometers, Xiao Ming took a car from Bijie to Qingzhen, how far is Xiao Ming from Guiyang at this time?
从毕节到贵阳走高速共有251.1千米，中途的线路为毕节--大方--黔西--织金--清镇-贵阳，毕节到黔西的距离是107.2公里，黔西到清镇105.8千米，小明从毕节坐车到了清镇，此时小明距离贵阳还有多远？
<gadget id="calculator">107.2 + 105.8</gadget>
<output>213</output>

<gadget id="calculator">251.1 - 213</gadget>
<output>38.1</output>

<result>38.1</result>