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곱셈: 2 x 21X6

1

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

2

		3	1
		1	3
		9	3
	3	1	0
	4	0	3

3

		8	3
		6	3
	2	4	9
4	9	8	0
5	2	2	9

4

		2	5
		8	2
		5	0
2	0	0	0
2	0	5	0

5

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

6

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

7

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

8

		5	9
		6	2
	1	1	8
3	5	4	0
3	6	5	8

9

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

10

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

11

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

12

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

13

		6	1
		9	5
	3	0	5
5	4	9	0
5	7	9	5

14

		4	1
		6	4
	1	6	4
2	4	6	0
2	6	2	4

15

		8	1
		4	9
	7	2	9
3	2	4	0
3	9	6	9

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