Chapter 6, Problem 3DE

Can you find the reason that the following pseudocode does not perform as indicated in the comments?

// Find the error in the following pseudocode.

Module main()

  Declare Real value, result

  // Get a value from the user.

  Display "Enter a value."

  Input value

  // Get 10 percent of the value.

  Call tenPercent(value)

  // Display 10 percent of the value.

  Display "10 percent of ", value, " is " result

End Module

// The tenPercent function returns 10 percent

// of the argument passed to the function.

Function Real tenPercent(Real num)

Return num * 0.1

End Function