What's the name of fortune-telling idiom?

Can calculate with your fingers and tell people fortune.

néng qiāHu suan

The explanation can be counted with your fingers. Refers to the ability to predict the future.

From Wu Yunduo's "Give Everything to the Party in the Mine": "Everyone says that the mouse can pinch and calculate, and when it counts the disaster, it has escaped."

Structural combination

Used as a predicate; Have the ability to predict the future.