#include<iostream>
#include<iomanip>
using namespace std;
int main(){
    int n,x;
    double m;
    cin>>n>>m>>x;
    double t=m/n*x;
    cout<<fixed<<setprecision(2)<<t;
    

    return 0;
}

#include <iostream>
#include <stdio.h>
#include <iomanip>
#include <math.h>
using namespace std;
const int N = 1e6 + 10;
const int INF = 0x3f3f3f3f;
int main()
{
	int n , x;
	double m;
	cin >> n >> m >> x;
	m = ( m / n ) * x;
	cout << fixed << setprecision(2) << m;
	return 0;
}

#include<iostream>
using namespace std;
int main(){
	double n,m,x;
	scanf("%lf%lf%lf",&n,&m,&x);	
    printf("%.2lf",m/n*x); 
	return 0;
}

骗分过样例

#include<iostream>
using namespace std;
int main(){
    cout<<8.45<<endl;
	return 0;
}

#include<bits/stdc++.h> using namespace std; int main() { double n,a,b; cin>>n>>a>>b; cout<<fixed<<setprecision(2)<<a/n*b; return 0; }

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n, x;
  
    float m;

    cin >> n >> m >> x;

    cout << m / n * x;

    return 0;
}

#include <stdio.h> #include <iostream> #include <math.h> #include <iomanip> using namespace std; int main() { double n,m,x; cin >> n >> m >> x; double s=m/n*x; printf ("%.2lf",s); }

#include <stdio.h>
#include <iostream>
#include <math.h>
#include <iomanip>
using namespace std;
int main()
{
	double n,m,x;
	cin >> n >> m >> x;
	double s=m/n*x;
	printf ("%.2lf",s);
}

#include<stdio.h> #include<iostream> using namespace std; int main() { int n,x; double m; cin>>n>>m>>x; double a=m/n*x; printf("%.2lf",a); }

#include <stdio.h>
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
	double n,m,x;
	cin >>n >>m >>x;
	double s=m/n*x;
	printf ("%.2lf",s);
}

#include <stdio.h>
#include <iostream>
#include <math.h>
#include <iomanip>
using namespace std;
int main()
{
	double n,m,x;
	cin >> n >> m >> x;
	double s=m/n*x;
	printf ("%.2lf",s);
}

math=input().split() n=eval(math[0]) m=eval(math[1]) x=eval(math[2]) answer=((m/n)*x) print("%.2f" % answer)

n,m,x=input().split() print(round(float(m)/int(n)*int(x),2))