mein APP rechnet falsch

1public void onClick(View v) {
2
3 EditText nameField = (EditText) findViewById(R.id.name_field);
4
5 String name = nameField.getText().toString();
6
7
8 if (v == hiButton){
9
10 }
11 if (v == helloButton) {
12 if (name.length() == 0) {
13 new AlertDialog.Builder(this).setMessage(
14 R.string.error_name_missing).setNeutralButton(
15 R.string.error_ok,
16 null).show();
17 return;
18 }
19
20 TextView greetingField = (TextView) findViewById(R.id.greeting_field);
21 double greetingi=Double.parseDouble(name);
22 greetingi = greetingi / 120;
23
24 greetingField.setText(Double.toString(greetingi));
25
26 }