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곱셈: 2 x 23X9

1

		3	9
		5	3
	1	1	7
1	9	5	0
2	0	6	7

2

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

3

		7	4
		2	0
			0
1	4	8	0
1	4	8	0

4

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

5

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

6

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

7

		5	4
		1	4
	2	1	6
	5	4	0
	7	5	6

8

		3	3
		3	3
		9	9
	9	9	0
1	0	8	9

9

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

10

		5	2
		5	6
	3	1	2
2	6	0	0
2	9	1	2

11

		2	9
		2	3
		8	7
	5	8	0
	6	6	7

12

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

13

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

14

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

15

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

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