Cyberpanel disk storage

hi vishal here, i am using vps seriver of hostinger. and i have installed cyberpanel on my vps. I have only 3 website on my vps but it showing 100% of disk storage. can you guys help me in free some disk space ?

I also check the file space and var is taking almost 22 gb of disk space

check du -s -h /var/* output?

here is the out put, can you guide me further?

here is /usr /* which is showning 7.5G

can you please help me in clearing some space?