[A, B, T] = list(map(int, input().split()))

biscuits = 0

time = 0

while time < (T + 0.5 - A):

  biscuits = biscuits + B

  time = time + A

print(biscuits)
[A, B, T] = list(map(int, input().split()))

biscuits = B * (T / A)

print(biscuits)
[A, B, T] = list(map(int, input().split()))
biscuits = 0
time = 0
while time < (T + 0.5 - A):
    biscuits = biscuits + B
    time = time + A
print(biscuits)

[A, B, T] = list(map(int, input().split()))
biscuits = B * (T / A)
print(biscuits)

-biscuits = 0 -time = 0 -while time < (T + 0.5 - A): -    biscuits = biscuits + B -    time = time + A +biscuits = B * (T / A)