Use the modified class Begin from Problem in a program that calculates large factorials.
Problem ,
Write a driver program to test your modified class Begin with the multiplication operation * added in Exercise.
Exercise ,
Assume the following doubly-linked list with the two pointers p1 and p2:
![886_pointer.png](https://secure.tutorsglobe.com/CMSImages/886_pointer.png)
Find the value of each expression.
p1->next->next