The length of string A is equal to 6 times of string C and is equal to 5 times of string B. Find the length of string C when the length of string B is 12 meters (m).
12 5 [OP_MUL] 6 [OP_FDIV]
var_a = 12
var_b = 5
var_c = var_a * var_b
var_d = 6
var_e = var_c // var_d
print(int(var_e))