the average age of 10 men is increased by years when two of them whose ages are 21 years and 23 years are replaced by two new men . the average age of the two new men is
n0 = 10.0
n1 = 21.0
n2 = 23.0
t0 = n1 + n2
t1 = n0 * 1.0
t2 = t0 / 2.0
answer = t2 + t1
print(answer)