How big are Zhang Ruier's feet?

Zhang Ruier's feet are 40 yards. According to relevant information, Zhang Ruier, 2 1 year old, now lives in Chaoyang, Beijing. She graduated from Guangdong Radio and TV University and is a professional auto show model. She is 185cm tall, weighs 55 kg and wears shoes of size 40. So Zhang Ruier's feet are 40 yards.