Compile meta values from custom loop into array and then calculate sum total

I wonder if you mean this kind of loop:

$total_views = 0;
$post_ids    = [2, 3, 7, 53, 75];

foreach( $post_ids as $post_id )
{ 
    $total_views += (int) get_post_meta( $post_id, 'post_views', true );
}

to calculate the total sum.

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