Correct

上灶

/ shàng zào / 
Strokes

Example

As a Verb

work as a cook; do the cooking

1
Tā
他
zài
在
xuéxiào
学校
shítáng
食堂
shàng
上
zào
灶
  
。

He works as a cook at the school canteen.

As a Verb

board at the canteen

2
Wǒmen
我们
zài
在
dānwèi
单位
shítáng
食堂
shàng
上
zào
灶
  
。

We board at the canteen of our unit.