92除以89的结果：" + Calculator.divide(

public class Calculator {
public static double add(double a, double b) {
return a + b;
}

public static double minus(double a, double b) {
    return a - b;
}

public static double multiply(double a, double b) {
    return a * b;
}

public static double divide(double a, double b) {
    return a / b;
}

public static void main(String[] args) {
    System.out.println("4.4加上7.11的结果：" + Calculator.add(4.4, 7.11));
    System.out.println("8.9减去2.28的结果：" + Calculator.minus(8.9, 2.28));
    System.out.println("5.2乘以13.14的结果：" + Calculator.multiply(5.2, 13.14));
    System.out.println("92除以89的结果：" + Calculator.divide(92, 89));
}

}