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곱셈: 2 x 23X2

1

		3	2
		7	4
	1	2	8
2	2	4	0
2	3	6	8

2

		1	5
		3	0
			0
	4	5	0
	4	5	0

3

		6	0
		3	1
		6	0
1	8	0	0
1	8	6	0

4

		1	4
		6	4
		5	6
	8	4	0
	8	9	6

5

		5	8
		6	0
			0
3	4	8	0
3	4	8	0

6

		1	2
		9	4
		4	8
1	0	8	0
1	1	2	8

7

		2	3
		4	8
	1	8	4
	9	2	0
1	1	0	4

8

		7	3
		8	6
	4	3	8
5	8	4	0
6	2	7	8

9

		4	5
		2	9
	4	0	5
	9	0	0
1	3	0	5

10

		2	4
		3	6
	1	4	4
	7	2	0
	8	6	4

11

		4	2
		9	5
	2	1	0
3	7	8	0
3	9	9	0

12

		7	1
		1	3
	2	1	3
	7	1	0
	9	2	3

13

		9	5
		8	8
	7	6	0
7	6	0	0
8	3	6	0

14

		5	2
		4	9
	4	6	8
2	0	8	0
2	5	4	8

15

		1	8
		5	8
	1	4	4
	9	0	0
1	0	4	4

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