You’d need parentheses in there to give CS only two things at a time to parse, but
*set (Health+Leathers)-25
or
*set Health+(Leathers-25)
should work.
You’d need parentheses in there to give CS only two things at a time to parse, but
*set (Health+Leathers)-25
or
*set Health+(Leathers-25)
should work.