(800.565-565) :1000

To find the result of the expression (800.565-565) divided by 1000, we first subtract the number 565 from 800.565:

800.565 - 565 = 235.565

Then, we divide the result by 1000:

235.565 / 1000 = 0.235565

Therefore, the value of (800.565-565) divided by 1000 is 0.235565.