diff --git a/gitops/gitee/Calculator.java b/gitops/gitee/Calculator.java
index 455833e0419f2a8f674506a9bc56f446488a5780..0b4ab296a636cc77242588936c23dbb844df65a8 100644
--- a/gitops/gitee/Calculator.java
+++ b/gitops/gitee/Calculator.java
@@ -18,6 +18,9 @@ public class Calculator {
                 System.out.print("Add Sub Mul Div Mod Fac Pow Resultes:\n");
                 Calculate cal=new Calculate();
                 System.out.println(op1+" + "+op2+" = "+ cal.doCalculate(new Add(),op1,op2));
+                System.out.println(op1+" - "+op2+" = "+ cal.doCalculate(new Sub(),op1,op2));
+                System.out.println(op1+" * "+op2+" = "+ cal.doCalculate(new Mul(),op1,op2));
+                System.out.println(op1+" / "+op2+" = "+ cal.doCalculate(new Div(),op1,op2));
                 break;
 		    }
 	    }
diff --git a/gitops/gitee/Div.java b/gitops/gitee/Div.java
new file mode 100644
index 0000000000000000000000000000000000000000..7fdf15105eecf29ffb53de74ffc57ada8c3d3cea
--- /dev/null
+++ b/gitops/gitee/Div.java
@@ -0,0 +1,11 @@
+package gitops.gitee;
+
+class Div implements ICalculate{
+
+    private double result;
+
+    public double calculate(double  m,double  n){
+        result=m/n;
+        return result;
+    }
+}
\ No newline at end of file
diff --git a/gitops/gitee/Mul.java b/gitops/gitee/Mul.java
new file mode 100644
index 0000000000000000000000000000000000000000..b6629b5e7cbb70178e1864e8380fdaa628425654
--- /dev/null
+++ b/gitops/gitee/Mul.java
@@ -0,0 +1,11 @@
+package gitops.gitee;
+
+class Mul implements ICalculate{
+
+    private double result;
+    
+    public double calculate(double  m,double  n){
+        result=m*n;
+        return result;
+    }
+}
\ No newline at end of file
diff --git a/gitops/gitee/Sub.java b/gitops/gitee/Sub.java
new file mode 100644
index 0000000000000000000000000000000000000000..fb0e7d2e848b778e8ab0d8bf98433d30c26cbde8
--- /dev/null
+++ b/gitops/gitee/Sub.java
@@ -0,0 +1,11 @@
+package gitops.gitee;
+
+class Sub implements ICalculate{
+
+    private double result;
+    
+    public double calculate(double  m,double  n){
+        result=m-n;
+        return result;
+    }
+}
\ No newline at end of file