#!/bin/bash

declare -a start_num=(41809 42479 43209)
declare -a end_num=(41825 42489 43219)
declare -a D_value

for i in "${!start_num[@]}"; do 
    echo "${start_num[$i]}"
    D_value[$i]=$(( ${end_num[$i]} - ${start_num[$i]} + 1 ))
done
echo "Differences: ${D_value[@]}"

for i in "${!D_vlaue[@]}"; do 
    print_nume=
    echo "${start_num[$i]}"
done