The engineering team wants to build a 1,500-meter-long road, and it has been repaired for 12 days, and there are 720 meters left to be repaired. How many meters are repaired per day on average?
工程队要修一条长1500米的公路，已经修了12天，还剩720米没修．平均每天修多少米？
<gadget id="calculator">1_500 - 720</gadget>
<output>780</output>

<gadget id="calculator">780 / 12</gadget>
<output>65</output>

<result>65</result>