Convert from cawney to square yard

Unit Definition (cawney)
The Cawney is a traditional unit of land area in southern India, equal to about 4/3 acre (0.54 hectare). The name is an English tranliteration of a Tamil word for the unit.

Unit Definition (square yard)
The square yard is a traditional unit of area. 1 yd² equals 9 ft², 1296 in², or exactly 0.836 127 36 m².