#include<bits/stdc++.h> using namespace std; #define rep(i,x,y) for(int i=x;i<y;i++) #define range(a) (a).begin(),(a).end() #define print(A,n) rep(i,0,n){cout<<(i ? " ":"")<<A[i];}cout<<endl; #define pprint(A,m,n) rep(j,0,m){print(A[j],n);} const long mod=1e9+7; const int size=1e5; const long inf=1e9; int main(){ int A,B,C;cin>>A>>B>>C; cout.precision(10); cout<<fixed<<1.*A/B*C<<endl; } /*タスクを並列に行う 二分探索 x=(x ? true : false) sorted auto it=lower_bound(v.begin(),v.end(),w) v[it-v.begin()]>=w auto it=upper_bound(v.begin(),v.end(),w) v[it-v.begin()]>w void func(int* vec){} puts(string) cout<<string<<endl; 1.*a/b int to double (int)a-48 char to int (char)(i+97) int to char stoi(s) string to int stoll(s) cout.precision(16); cout<<fixed<<a; printf("%.6lf\n",a); accumulate(a,a+n,0); */