The lengths of the two sides of a triangle are 4.8 cm and 8.5 cm respectively, and the length of the third side is an integer number of centimeters, at least how many centimeters long.
一个三角形的两条边长分别是4.8厘米和8.5厘米，第三条边长是整厘米数，至少长多少厘米．
<result>4</result>