4 + 4 + 4 + 4 + 4 + 4 + 4 = 28

7 + 7 + 7 + 7 = 28

8 + 8 + 8 = 24

3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 24

6 + 6 = 12

2 + 2 + 2 + 2 + 2 + 2 = 12

5 + 5 + 5 + 5 = 20

4 + 4 + 4 + 4 + 4 = 20

6 x 7 = 42

7 x 6 = 42

1 x 5 = 5

5 x 1 = 5

7 x 8 = 56

8 x 7 = 56

3 x 9 = 27

9 x 3 = 27

2 x 4 = 8

4 x 2 = 8