the sum of two numbers is 66 . how much should be added to the sum for it to be exactly divisible by 9 leaving 0 as the reminder ?
n0 = 66.0
n1 = 9.0
n2 = 0.0
t0 = 100.0 - n1
t1 = t0 - n1
t2 = t1 - 10.0
answer = t2 - n0
print(answer)