The road workers have to repair a 900-meter-long road, and 225 meters have been repaired in the first 5 days. At this speed, how many days will it take to complete the road?
道班工人要维修一条长900米的公路，前5天修了225米，照这样的速度，还要多少天才能修完这条公路？
<gadget id="calculator">900 - 225</gadget>
<output>675</output>

<gadget id="calculator">225 / 5</gadget>
<output>45</output>

<gadget id="calculator">675 / 45</gadget>
<output>15</output>

<result>15</result>