Task1

Make a Calculator! using prompt(), and variables, make a program that does the following:
  1. Prompts the user for first number.
  2. Stores that first number
  3. Prompts the user for the second number
  4. Asks which operation does it want to perform (+,-,/,*,++,--,%)
  5. Stores that result and responds with the calculated value by using an alert.