Team A and Team B repaired a section of road together. Team A repaired the full length (2/9), and Team B repaired the full length (1/9). What fraction of the full length is left unrepaired?
甲、乙两队共修一段路，甲修了全长的(2/9)，乙修了全长的(1/9)，还剩下全长的几分之几没修？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>