Write a program in C++ for a server (called math solver) which solves three math problems: factorial (i.e. n!), exponent with base 2 (i.e. 2n), and cube (i.e. n3). The server should be implemented as a process and the three problems are implemented in three threads. The server process is responsible for posting a menu of choices for the user to select. Once a choice is made, the server asks the user for a nonnegative integer (including 0). The server then creates the corresponding thread and passes the integer to it to solve the problem. The program continues until the user stops it. PLEASE show screen shot and explain thank you in advance.