Correct

概算

/ gài suàn /
Strokes

Definition

estimate

Example

As a Verb

estimate roughly

1
Gàisuàn
概算
xià
  
,
zhège
这个
táng
礼堂
zuò
1  200
1,200
duō
rén
  

At a rough estimate this auditorium can seat over 1,200 people.

As a Noun

budgetary/rough estimate