To increase the number in Vim

To increase the number in Vim

$arr = [
    'test 0' => 'test 0',
    'test 0' => 'test 0',
    'test 0' => 'test 0',
    'test 0' => 'test 0',
    'test 0' => 'test 0',
    'test 0' => 'test 0',
];

ctrl-v jjjjjj g ctrl-a a