the telephone company wants to add an area code composed of 2 letters to every phone number . in order to do so , the company chose a special sign language containing 524 different signs . if the company used 522 of the signs fully and two remained unused , how many additional area codes can be created if the company uses all 524 signs ?
n0 = 2.0
n1 = 524.0
n2 = 522.0
n3 = 524.0
t0 = n1 - n2
t1 = n2 * t0
answer = t1 * t0
print(answer)