Show:
Multiply by 3
multiply by 4
multiply by 6
multiply by 7
multiply by 8
100

2x3

6

100

3x4

12

100

6x2

12

100

7x2

14

100

8x2

16

200

8x3

24

200

8x4

32

200

4x6

24

200

7x4

28

200

8x5

40

300

12x3

36

300

12x4

48

300

12x6

72

300

12x7

84

300

12x8

96

400

21x3

63

400

22x4

88

400

25x6

150

400

31x7

217

400

51x8

408

500

37x3

111

500

63x4

252

500
48x6

288

500

53x7

371

500

89x8

712