Currency Data Model doubt

Dear experts,
I have a doubt regarding data modelling in BPC.
I have a dimension called Units which is my Currency dimension in the Application, I don't use the standard RptCurrency diemnsion. This dimension has members which are crrencies such as EUR, DOL, LC and units such as BOX, KG.
We have done this because we plan in the input schedules, Sales Volumes in BOX and Prices in EUR. Now we want to calculate de Net Incomes, which should be BOX * EUR. We are not able to create the script logic which does this because of the currency.
Is this model correct? This is, does it have sense in BPC or is it possible, to multiply two accounts with different currencies, or should we instead, need another dimension (user defined) for the units maintaining the standard currency Dimension (RptCurrency)?
This is a very common thing to do when planning, how do you experts solve this?
Thanls a lot for your time and your help.
Best regards,
Cecilia

it contains only 11 places before decimals ...
below program gives a dump with
'Overflow when converting from "1234567890123.11"'
data : v_curr type PAD_AMT7S. "( Curr 13 , 2)
v_curr = '1234567890123.11'.
while it runs perfectly when we give
v_curr = '12345678901.11'. " ( 11 + 2 )

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SgtChevelle wrote:
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Trial and error.
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