View Compilation Error

0_0_18699371_4208\Main.java:20: 错误: 非法的类型开始
		}else{
		 ^
0_0_18699371_4208\Main.java:20: 错误: 需要';'
		}else{
		     ^
0_0_18699371_4208\Main.java:22: 错误: 需要<标识符>
			sum=27+8*(n-6);
			   ^
0_0_18699371_4208\Main.java:25: 错误: 需要class, interface或enum
		return sum;
		^
0_0_18699371_4208\Main.java:27: 错误: 需要class, interface或enum
	}
	^
5 个错误