How to Concatenate 2 Variables in SAP APO DP Macro

Hi All

I am trying to concatenate 2 variables in a single third variable. Can some body please guid me on how this can be achieved

e.g.  I have a variable containting a characteristic Value - "1010101" and Another Variable have a number "12345"

I want to show a string -  "1010101 with value 12345"

Can somebody please guide on how this can be achieved

Any help in this regard is highly appreciated

Thanks

Vijay