public void addClick(View view){
EditText ed1 = (EditText) findViewById(R.id.korean_prize);
EditText ed2 = (EditText) findViewById(R.id.korean_student);
int ed = Integer.parseInt(ed1.getText().toString());
int ed3 = Integer.parseInt(ed2.getText().toString());
TextView result = (TextView)findViewById(R.id.korean_percent) ;
result.setText(Integer.toString(ed/ed3*100));
이렇게 했는데 값이 0이나와요 ㅠㅠ 코드좀 알려주세요