PO matched payable Invoice cancelled but showing quantity billed amount in PO.

Hello Experts,

PO matched payable Invoice cancelled but showing quantity billed amount in PO.

Standard PO created 1500 $ on 3 way match against we created Invoice 1500 $ and cancelled.

But PO quantity billed is showing 0.04568258 amounts.

Please help us to resolve this issue...........

Regards,

Patel