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30
Traceback (most recent call last):
  File "./prog.py", line 6, in <module>
NameError: name 'result' is not definedpre>

prog.js:7:1 ReferenceError: result is not defined
Stack:
  @prog.js:7:1

Main.java:9: error: cannot find symbol
    System.out.println(result);
                       ^
  symbol:   variable result
  location: class Main
1 error

prog.cpp: In function ‘int main()’:
prog.cpp:11:11: error: ‘result’ was not declared in this scope
    11 |   cout << result;
       |           ^~~~~~