Convert from ping to stremma

Unit Definition (ping)
The ping is a traditional unit of area in Taiwan, equal to about 3.305 square meters (3.953 square yards). This is the same unit known in Korea as the pyong.

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).