you collect baseball cards . suppose you start out with 15 . maria takes half of one more than the number of baseball cards you have . since you ' re nice , you give peter 1 baseball card . since his father makes baseball cards , paul decides to triple your baseball cards . how many baseball cards do you have at the end ?
n0 = 15.0
n1 = 1.0
t0 = n0 - 4.0
t1 = t0 - 4.0
t2 = t1 - n1
answer = t2 * 3.0
print(answer)