曹冲五六岁,智意所及,有若成人之智。时孙权曾致巨象,太祖欲知其斤重,访之群下,咸莫能出其理。冲曰:置象大船之上,而刻其水痕所至,称物以载之,则较可知。太祖悦,即施行焉。 Cao Chong is five or six years old. When Sun Quan had caused a giant elephant, his grandfather wanted to know his heavy weight. Under the visit, the colony could not do anything. Chong Chong: It is better known to be placed on a large ship, and when the water marks are carved, it is known that the objects are contained. Taizu Yue, that is, implementation of 焉.