The road construction team built a 60-meter-long road, and 42 meters have been built, and the rest will take 2 days to finish. How many meters do the rest repair on average every day?
修路队修一条长60米的公路，已经修了42米，剩下的要2天修完．剩下的平均每天修多少米？
<gadget id="calculator">60 - 42</gadget>
<output>18</output>

<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<result>9</result>