To build a 1500-meter-long road, the whole project was completed in the first week (5/17), and the whole project was completed in the second week (3/11). After repairing a fraction of the whole project, the whole task was completed ?
修一条1500米长的路，第一周完成了全工程的(5/17)，第二周完成了全工程的(3/11)，再修全工程的几分之几就完成了全部任务？
<gadget id="calculator">5 / 17</gadget>
<output>5/17 = around 0.294118</output>

<gadget id="calculator">3 / 11</gadget>
<output>3/11 = around 0.272727</output>

<gadget id="calculator">1 - (5/17) - (3/11)</gadget>
<output>81/187 = around 0.433155</output>

<result>81/187 = around 0.433155</result>