A 720-meter-long road is built and completed in 9 days. On average, ((())/(())) of this road is repaired every day. How many meters is repaired on average every day?
修一条720米长的路，9天修完，平均每天修这段路的((())/(()))，平均每天修多少米．
<gadget id="calculator">720 / 9</gadget>
<output>80</output>

<result>80</result>