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곱셈 2자리 X 1자리

	3	8
		4
1	5	2

		2	2
			4
		8	8

	3	6
		4
1	4	4

		1	0
			6
		6	0

	4	5
		6
2	7	0

	4	0
		8
3	2	0

	2	8
		4
1	1	2

	8	3
		3
2	4	9

	6	3
		2
1	2	6

	6	8
		4
2	7	2

		6	0
			1
		6	0

		9	8
			1
		9	8

	4	7
		4
1	8	8

		3	2
			2
		6	4

		2	2
			4
		8	8