How many meters is Jiang's calligraphy?

Jiang's calligraphy is 1 meter. Jiang, male, Han nationality,1born in March 1958, born in Qingdao, Shandong Province, bachelor, associate professor of China Communication University, his works are deeply loved by calligraphy lovers at home and abroad, and are collected by many institutions and individuals at home and abroad. The marketing cost of this work is 5000 yuan per square meter per square foot.