<Li> 4 holdings (Med . gauael, Mod . gafael) = 1 township </Li> <Li> 4 townships (Med . trew, Mod . tref) = 1 manor </Li> <Li> 121⁄2 manors (Med . maẏnaul, Mod . maenor) = 1 commote </Li> <Li> 2 commotes (Med . kẏmut, Mod . cwmwd) = 1 cantref = 25,600 acres </Li>

What is the area of wales in metric units