The data you show us are all strings but you want to use the digits of column '3' as numeric values and sum them up. Not sure if your real data looks as posted or if this is already formatted data.
It would help in the future if you could post a proper SAS data step which creates sample data together with a description of how the expected result should look like. This way you're taking out the guess-work for us and you also have a better chance to get an answer which fits your actual data.
Below some code which deals with the data as posted.
data have;
infile datalines truncover dlm=',' dsd;
input (person household wages) (:$20.);
datalines;
Person 1,Household 1,Wages - 10
Person 2,Household 2,Wages - 10
Person 3,Household 1,Wages - 10
;
run;
proc sql;
create table want as
select
person,
household,
wages,
catx(' ',household,'Wages',sum(input(scan(wages,-1,' -'),? best16.))) as goal length=40
from have
group by household
order by person
;
quit;