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곱셈 2자리 X 1자리

	3	7
		3
1	1	1

		2	3
			4
		9	2

	1	8
		7
1	2	6

		4	0
			1
		4	0

		4	1
			2
		8	2

	5	0
		4
2	0	0

	6	2
		3
1	8	6

	6	4
		4
2	5	6

		2	7
			2
		5	4

	9	8
		6
5	8	8

	5	5
		4
2	2	0

		5	3
			1
		5	3

	2	5
		6
1	5	0

	4	7
		7
3	2	9

	2	0
		6
1	2	0