The water conservancy engineering team built a 289.1-meter-long canal. Team A repaired an average of 10.8 meters per day. Team B continued to repair after 14 days. Team B repaired an average of 19.7 meters per day. How many days will it take to finish?
水利工程队修建一条289.1米长的水渠，甲队平均每天修10.8米，修了14天后乙队继续修．乙队平均每天修19.7米．还要几天修完？
<gadget id="calculator">10.8 * 14</gadget>
<output>151.2</output>

<gadget id="calculator">289.1 - 151.2</gadget>
<output>137.9</output>

<gadget id="calculator">137.9 / 19.7</gadget>
<output>7</output>

<result>7</result>