Correct
概数
/ gàishù /
Strokes
Definition
approximate number/imprecise indication of quantity (e.g. 十几[shí jǐ], 两三百[liǎng sān bǎi], 一千多[yī qiān duō])
Example
As a Noun
approximate/round number
1
Zhè
这
zhǐ
只
shì
是
gè
个
gàishù
概数
。
It is only an approximate number.