Convert from fotmal [lead] to tovar [Bulgaria]

Unit Definition (fotmal [lead])
The fotmal is a traditional English unit of weight for lead. In medieval England the fotmal was equal to 70 "mercantile" pounds, which is equivalent to 72 avoirdupois pounds.

Unit Definition (tovar [Bulgaria])
The tovar is a traditional weight unit of Bulgaria, equal to 100 oka; this is roughly 280 pounds or 128 kilograms.