Hello there, and thank you for posting your question here on brainly.
Short answer: 107990
Why?
One red flag I see here is two zeroes as the first to digits of the second number, so we can take that away. So we can write it as 9225. Set it up into an equation. Add straight down.
1 1
98765
+ 9225
**********
107990
Hope this helped you! ♥