Breakdown in wiki of Ukrainian equipment, with sources.
https://en.m.wikipedia.org/wiki/List_of_equipment_of_the_Armed_Forces_of_Ukraine
By type, numbers by type, acquisitions, etc.
No 6500 tanks. Tanks in storage and requiring overhaul are included.
“the Armed Forces of Ukraine included approximately 780,000 personnel, 7,000 armored vehicles and 6,500 tanks”
Now go away. Do your own research. I’m not your secretary.