14453 - Water distribution II   

Description

Alice has L liters of water and wants to pour it into bottles. Each bottle holds m liters, and Alice will get n dollars whenever she fill a bottle. Help Alice find out how many dollars she can get.

Input

The first line contains three integers: L, m, n (1 <= L, m, n <= 1000), separated by blanks.

Output

Print an integer in a single line: how many dollars Alice can get. (No need to use '\n')

Sample Input  Download

Sample Output  Download

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