翻译以下内容加入量从左至右依次为

Translate the following content, with unit of measure added from left to right in order:

1. The weight of the package is 5 kg.

2. The temperature outside is 20°C.

3. The height of the building is 50 meters.

4. The distance between the two cities is 200 km.

5. The speed of the car is 80 km/h.

6. The capacity of the gas tank is 50 liters.

7. 包裹的重量是5千克。

8. 外面的温度是20摄氏度。

9. 建筑的高度是50米。

10. 两个城市之间的距离是200公里。

11. 汽车的速度是80公里/小时。

12. 汽油箱的容量是50升。