To build a road, an engineering team built 280 meters in 4 days. According to this speed, the rest of the road will take 16 days to complete. How long is this road in meters?
修一条公路，某工程队用4天修了280米，按照这样的速度，剩下的公路还要16天才能修完．这条公路全长是多少米？
<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<gadget id="calculator">4 + 16</gadget>
<output>20</output>

<gadget id="calculator">70 * 20</gadget>
<output>1_400</output>

<result>1_400</result>