2. Write a program that is the basic calculator and receives three values from input via keyboard. The first value as an operator (Op1) should be a char type and one of (+,-*. / characters with the following meanings: '+' for addition (numi + num2)| for subtraction (numi - num2) "*' for multiplication (numi * num2) Y' for division (numi / num2) The program should receive another two operands (Numi, Num2) which could be float or Integer. The program should apply the first given operator (Opl) Into the operands (Numi, Num2) and prints the relevant results with related messages on the screen. 3. Ask the user to input an integer. Then tell the user 1) If this number is even/odd, 2) if this number is a multiple of 5. 4. Write a program that displays the following on the screen: ****