Multiply

single x single

100

1 x 1

1

200

9 x 8

31

300

5 x 5

25

400

4 x 1

4

500

7 x 6

42

double x single

100

11 x 9

99

200

15 x 3

45

300

12 x 8

96

400

44 x 2

88

500

12020 x 2 

24040

double x double

100

11 x 22

242

200

15 x 13

195

300

17 x 15

255

400

20 x 10

200

500

22 x 12

264

Triple x single

100

111 x 7

777

200

222 x 4

888

300

313 x 3

939

400

212 x 4

448

500

320 x 3

960