URGENT HELP WITH SYNS PLEASE

I'm wondering if I have something at 65 calories (3.5 syns) and something at 45 calories (2.5 syns) adding up to 110 in total can I count it as 5.5 syns as a total ? Or would it have to be counted seperate at 6 syns ?

What are you eating and does it get a free food allowance as that would affect the syns
But to be honest I wouldnt start trying to play your syns like that - if those are the syn values for the two products count them as that xx

Thanks for responding , it was chocolate.
I have always counted separately but it just occurred to me that if adding was possible it would be handy .
Thank you