Team A and Team B jointly repair a road. It is known that Team A has repaired (4/9) and Team B has repaired (3/8). What fraction of the road is left unrepaired?
甲乙两队合修一条公路，已知甲队修了(4/9)，乙队修了(3/8)，还剩这条路的几分之几没有修？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (4/9) - (3/8)</gadget>
<output>13/72 = around 0.180556</output>

<result>13/72 = around 0.180556</result>