import numpy as np



if __name__ == "__main__":

    a, b, t = list(map(int, input().split()))

    print((b * (t // a)))
if __name__ == "__main__":

    a, b, t = list(map(int, input().split()))

    print((b * (t // a)))
import numpy as np

if __name__ == "__main__":
    a, b, t = list(map(int, input().split()))
    print((b * (t // a)))

if __name__ == "__main__":
    a, b, t = list(map(int, input().split()))
    print((b * (t // a)))

-import numpy as np -