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곱셈: 2 x 22X4

1

		2	4
		7	3
		7	2
1	6	8	0
1	7	5	2

2

		9	1
		1	4
	3	6	4
	9	1	0
1	2	7	4

3

		1	0
		2	5
		5	0
	2	0	0
	2	5	0

4

		1	4
		5	9
	1	2	6
	7	0	0
	8	2	6

5

		3	4
		9	2
		6	8
3	0	6	0
3	1	2	8

6

		5	8
		1	1
		5	8
	5	8	0
	6	3	8

7

		7	4
		4	4
	2	9	6
2	9	6	0
3	2	5	6

8

		3	5
		6	2
		7	0
2	1	0	0
2	1	7	0

9

		1	7
		4	4
		6	8
	6	8	0
	7	4	8

10

		2	8
		5	1
		2	8
1	4	0	0
1	4	2	8

11

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

12

		6	1
		2	0
			0
1	2	2	0
1	2	2	0

13

		5	5
		3	4
	2	2	0
1	6	5	0
1	8	7	0

14

		6	0
		2	0
			0
1	2	0	0
1	2	0	0

15

		6	1
		6	5
	3	0	5
3	6	6	0
3	9	6	5

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