25°32'x4+58°38'/5
=25°x4+32'x4+58°/5+38'/5
=100°+128'+13.6°+7.6'
=100°+2°+8'+13°+0.6°x60+7'+0.6'x60
=100°+2°+8'+13°+36'+36"
=115°44'36" （115度44分36秒）