C++ program, please comment it out as much as possible. Thank you

2. Calculate the value of ? from the infinite series 3 579 , 1500 terms of Print a table that shows the approximate value of ? for 100, 200, 300, 400 the series Expected Output pi with 100 terms 3.131592903558552 pi with 200 terms 3.136592684838814 pi with 300 terms 3.138259329515588 pi with 400 terms 3.139092657496011 pi with 500 terms 3.139592655589782 pi with 600 terms 3.139925988080528 pi with 700 terms 3.140164082890081 pi with 800 terms 3.140342654078072 pi with 900 terms 3.140481542821614 pi with 1000 terms 3.140592653839790 pi with 1100 terms 3.140683562868528 pi with 1200 terms3.140759320401133 pi with 1300 terms 3.140823422934350 pi with 1400 terms 3.140878367966611 pi with 1500 terms 3.140925986997196