Code In C++

1.3 Button [1.3 - Calculate factorial] The factorial of a number is the product of multiplying all integers from 1 to the number, e.g. The factorial of 4 = 1 x 2 x 3 x 4 = 24 The factorial of 6 = 1 x 2 x 3 x 4 x 5 x 6 = 720 The user must select a number from the spnNumber spin edit box. Write code to extract the number from the spnNumber spin edit box, calculate the factorial of the number and display the result in the edtFactorial edit box. Example of output if the number 5 is selected: Question 1.3 Select number 5 1.3 - Calculate factorial 120 (7)