This program is to handle all possible arithmetic operations (+, -, *, /, ) and logic operations (<, >, >=, <=, ==, !=) between 2 numbers, which have quite a lot of number of digits.-This program is to handle all possible arithmetic operations (+,-,*, /,　) and logic operations (<, >, >=, <=, ==, !=) between 2 numbers, which have quite a lot of number of digits.