There is a square with a side length of 7 centimeters (cm), an equilateral-triangle with a side length of 9 centimeters (cm), and a circle with a radius of 5 centimeters (cm). Which shape has the longest perimeter when pi is calculated as 3?
[OP_LIST_SOL] square equilateral-triangle circle [OP_LIST_EOL] [OP_LIST_SOL] 7 4 [OP_MUL] 9 3 [OP_MUL] 5 3 2 [OP_MUL] [OP_MUL] [OP_LIST_EOL] 1 [OP_LIST_MAX] [OP_LIST_INDEX] [OP_LIST_POP] [OP_LIST_GET]
var_a = 'square'
var_b = 'equilateral-triangle'
var_c = 'circle'
list_a= []
if "/" in str(var_c):
    var_c = eval(str(var_c))
list_a.append(var_c)
if "/" in str(var_b):
    var_b = eval(str(var_b))
list_a.append(var_b)
if "/" in str(var_a):
    var_a = eval(str(var_a))
list_a.append(var_a)
list_a.reverse()
var_d = 7
var_e = 4
var_f = var_d * var_e
var_g = 9
var_h = 3
var_i = var_g * var_h
var_j = 5
var_k = 3
var_l = 2
var_m = var_k * var_l
var_n = var_j * var_m
list_b= []
if "/" in str(var_n):
    var_n = eval(str(var_n))
list_b.append(var_n)
if "/" in str(var_i):
    var_i = eval(str(var_i))
list_b.append(var_i)
if "/" in str(var_f):
    var_f = eval(str(var_f))
list_b.append(var_f)
list_b.reverse()
var_o = 1
list_c=list_b.copy()
list_c.sort()
var_p = list_c[-var_o]
var_q = list_b.index(var_p)+1
var_r = list_a[var_q-1]
print(var_r)