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public function readingTime( int $words_per_min = 200 ): string
{
        $words_per_hour = $words_per_min * 60;

        // Strip tags and get the word count from the content.
        $count = str_word_count( strip_tags( $this->content() ) );

        // Get the floor for hours.  Otherwise, it will round up to
        // `1.0`. But, get the ceiling for minutes.
        $time_hours = intval( floor( $count / $words_per_hour ) );
        $time_mins  = intval( ceil( $count / $words_per_min ) );

        // If there are no hours, just return the minutes.
        if ( 0 >= $time_hours ) {
                return sprintf(
                        Str::nText( '%d Minute', '%d Minutes', $time_mins ),
                        number_format( $time_mins )
                );
        }

        // Subtract the hours by minute from the total minutes.
        $time_mins = $time_mins - ( $time_hours * 60 );

        // Set up text for hours.
        $text_hours = sprintf(
                Str::nText( '%d Hour', '%d Hours', $time_hours ),
                number_format( $time_hours )
        );

        // Set up text for minutes.
        $text_mins = sprintf(
                Str::nText( '%d Minute', '%d Minutes', $time_mins ),
                number_format( $time_mins )
        );

        // If no minutes left after subtraction of hours, return hours.
        if ( 0 >= $time_mins ) {
                return $text_hours;
        }

        // Merge hours + minutes text.
        return sprintf( '%s, %s', $text_hours, $text_mins );
}