/*-------
  Signature: rect_area: double double -> double
  
  Purpose: expects the length and width of a rectangle,
  	      and returns that rectangle's area

  Examples: 
    rect_area(3, 5) == 15
    rect_area(1, 2) == 2
     		       
  by: Sharon Tuttle
  last modified: 2016-11-1
--------*/
       
#include <cstdlib>
#include <iostream>
#include <string>
#include <cmath>
// #include "something.h"
using namespace std;
       
double rect_area(double length, double width)
{
    return length * width;
}