The perimeter of a square is 2m, which is twice the perimeter of an isosceles triangle with a waist length of 35cm. What is the length of the base of this isosceles triangle in centimeters?
一个正方形的周长是2m，是一个腰长为35cm的等腰三角形周长的2倍，这个等腰三角形的底边长是多少厘米？
<result>350</result>