To build a 900-meter-long road, 150 meters have been built. The rest is going to be repaired in 5 days, how many meters is repaired on average per day?
修一段900米长的公路，已经修了150米．剩下的准备5天修完，平均每天修多少米？
<gadget id="calculator">900 - 150</gadget>
<output>750</output>

<gadget id="calculator">750 / 5</gadget>
<output>150</output>

<result>150</result>