gopi gives rs . 90 plus one turban as salary to his servant for one year . the servant leaves after 9 months and receives rs . 60 and the turban . find the price of the turban .
n0 = 90.0
n1 = 9.0
n2 = 60.0
t0 = n0 - n2
t1 = 12.0 - n1
t2 = t0 / t1
t3 = t2 * 12.0
answer = t3 - n0
print(answer)