C++ PROGRAMS:Suppose you are having a pizza party and need to decide how many pizzas you need to purchase if each person attending is expected to eat an average of four slices. The program should

Ask the user for the number of people who will be at the party

Ask the user for the diameter of the pizzas in inches to be ordered

Calculate and display the number of pizzas to purchase.

To calculate the number of slices in a pizza, use the following information:

Each slice should have an area of 14.125 inches.

To calculate the number of slices, simply divide the area of the pizza by 14.125.

The area of the pizza is calculated with this formula:

Area=r2

Be sure to properly format your output. You should display 3 decimal places for floating point numbers.