求助：怎么将两个表对应的元素求乘积？

shiyiming

proc sql;
create table mn2 as
select m.id,m.s01*n.s01 as s01,m.s02*n.s02 as s02, m.s04*n.s04 as s04
from m ,n
where m.id=n.id;
run;

shiyiming

学习了。