Convert from caballeria [Spain/Peru] to stremma

Unit Definition (caballeria [Spain/Peru])
The caballeria [Spain/Peru] a traditional unit of land area in Spanish speaking countries. In Spain and Peru the caballeria is equal to 60 fanegas, which is roughly 40 hectares (100 acres).

Unit Definition (stremma)
The stremma is a traditional Greek unit of area, now redefined to equal exactly 1000 square meters or 0.1 hectare (0.24710 acre).