I’m making quilts, I have 811 handkerchiefs in all & I need 25 for one quilt. How many quilts can I make & how many handkerchiefs will be left over?

You can make 32 quilts and have 11 handkerchiefs left over because 25 x 32 =800 and 800 + 11 =811. 33 is too many because 25 x 33 = 825