Solved by welcome_0423

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	324,622	2.59
1001	A-B STANDARD	279,017	1.45
1008	A/B STANDARD	230,470	2.90
2557	Hello World STANDARD	358,620	2.54
10998	A×B STANDARD	232,761	1.30
15311	약 팔기	1,372	2.10

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