The sum of the lengths of all the edges of the cube equals 72 centimeters (cm). If you select two faces of this cube that touch each other, find the length in centimeters (cm) of the line segment that forms the boundary.
72 4 3 [OP_MUL] [OP_DIV]
var_a = 72
var_b = 4
var_c = 3
var_d = var_b * var_c
var_e = var_a / var_d
print(int(var_e))