Please tell us some basic information before asking for help:
- Model Name: zenfone 7 pro
- Firmware Version: latest
- Rooted or not: no
- Frequency of Occurrence: always
- APP Name & APP Version (If your issue relates to the app): calculator 18.104.22.168_210325
Divide 400 by 7 000 000. The result is 5.714...
There is no notification about 10 to the power -5.