Replace i_multi_o() from SWB TBE
# Bug description This is a follow-up from #1771: Within the SWB TBE, i_mult_o() operators are used, which are not necessary (no evaluation Overflow-flag), better precision achievable by alternative solution <!--- Below are labels that will be added but are not shown in description. This is a template to help fill them. Add further information to the first row and remove and add labels as necessary.-->
issue