Convert amount ...

Hi all,

Pls help me !!! I want to convert amount,.

Ex: I have amount filed wa-PSWBT, currrency wa-PSWSL.

When debug, I saw wa-PSWBT = 1,423,680

wa-PSWSL = 'VND'

How can I change wa-PSWBT = 1423680 ???? Which 1,423,680 is format number of system.

Thanks !