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곱셈 2자리 X 1자리

	1	8
		7
1	2	6

		1	5
			2
		3	0

		5	1
			1
		5	1

	3	1
		4
1	2	4

	5	6
		5
2	8	0

		6	8
			1
		6	8

		4	7
			2
		9	4

	1	7
		6
1	0	2

		2	2
			2
		4	4

	6	4
		7
4	4	8

	2	4
		6
1	4	4

		1	2
			4
		4	8

		2	2
			1
		2	2

	6	6
		3
1	9	8

	6	4
		9
5	7	6