x3
x4
x6
x7
100

3 x 2 =

6

100

4 x 1 =

4

100

6 x 3 =

18

100

1 x 7 =

7

200

5 x 3 =

15

200

4 x 4 =

16

200

4 x 6 =

24

200

7 x 2 =

14

300

4 x 3 =

12

300

7 x 4 =

28

300

6 x 6 =

36

300

10 x 7 =

70

400

7 x 3 =

21

400

4 x 8 =

32

400

7 x 6 =

42

400

7 x 7 =

49

500

3 x 8 =

24

500

9 x 4 =

36

500

6 x 8 =

48

500

8 x 7 =

56