An engineering team plans to build a 250-meter-long canal. It built 50 meters on the first day, and 60 meters on the second day. What fraction of the total length remains?
某工程队计划修一条长250米的水渠，第一天修了50米，第二天修了60米，还有全长的几分之几没有修？
<gadget id="calculator">250 - 50 - 60</gadget>
<output>140</output>

<gadget id="calculator">140 / 250</gadget>
<output>14/25 = around 0.56</output>

<result>14/25 = around 0.56</result>