/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Calculator{
public int num1=10;
public float num2=20;
public double sum;
public double product;
public double add(int num1, int num2) {
double sum=this.num1 + this.num2;
return sum;}
public double multiply(int num1, int num2) {
double sum = this.add(num1, num2);
double product = this.sum*this.num1;
return (int) product;}}
class Main {
public static void main
(String[] args
) { Calculator c = new Calculator();
System.
out.
println(c.
multiply(10,
5));}}
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