@@ -0,0 +1,13 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+int main() {
+ double a, b;
+ int c;
+ while (cin >> a >> b >> c) {
+ double d = a / b;
+ cout << fixed << setprecision(c) << d << endl;
+ }
+ return 0;
+}