Mã chấm: 268162

Main.java:3: error: not a statement
        double 4 giaVo = 50.0;
        ^
Main.java:3: error: ';' expected
        double 4 giaVo = 50.0;
              ^
Main.java:4: error: not a statement
        double 3 giaBut = 10.0;
        ^
Main.java:4: error: ';' expected
        double 3 giaBut = 10.0;
              ^
4 errors