백준 30007 자바 - 라면 공식

// 라면 공식
package Bronze_V_5;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Ex30007 {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in) );

        int n = Integer.parseInt(br.readLine());

        for (int i = 0; i < n; i++) {
            StringTokenizer st = new StringTokenizer(br.readLine());

            int a = Integer.parseInt(st.nextToken());
            int b = Integer.parseInt(st.nextToken());
            int x = Integer.parseInt(st.nextToken());

            int w = a * (x - 1) + b;

            System.out.println(w);
        }
    }
}