import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class SWEA_11387 {
static BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
static StringTokenizer st;
public static void main(String[] args) throws Exception {
int T = Integer.parseInt(in.readLine());
for (int tc = 1; tc <= T; tc++) {
st = new StringTokenizer(in.readLine(), " ");
int D = Integer.parseInt(st.nextToken());
int L = Integer.parseInt(st.nextToken());
int N = Integer.parseInt(st.nextToken());
int sum = 0;
int n = 0;
for (int i = 1; i <= N; i++) {
sum += D*(1+(n++)*0.01*L);
}
System.out.println("#"+tc+" "+sum);
}
}
}