diff --git a/main.go b/main.go
index c22d207..0190ecd 100644
--- a/main.go
+++ b/main.go
@@ -19,5 +19,5 @@ func main() {
 	d := subtractNumbers(1, 2)
 	m := multiplyNumbers(1, 2)
 	fmt.Printf("sum is %d, difference is %d, multiplied %d", s, d, m)
-	fmt.Println("end")
+	fmt.Printf("sum is %d, difference is %d, multiplied %d", s, d, m)
 }
diff --git a/main_test.go b/main_test.go
index e6dce39..2aec924 100644
--- a/main_test.go
+++ b/main_test.go
@@ -8,3 +8,17 @@ func TestAddNumbers(t *testing.T) {
 		t.Errorf("addNumbers(1, 2) = %d; want 3", result)
 	}
 }
+
+func TestSubtractNumbers(t *testing.T) {
+	result := subtractNumbers(1, 2)
+	if result != -1 {
+		t.Errorf("subtractNumbers(1, 2) = %d; want -1", result)
+	}
+}
+
+func TestMultiplyNumbers(t *testing.T) {
+	result := multiplyNumbers(1, 2)
+	if result != 2 {
+		t.Errorf("multiplyNumbers(1, 2) = %d; want 2", result)
+	}
+}