Area of Rectangle and Square (Struct)

using namespace std;
#include <iostream>

struct SSquare {
	float size;
};
struct SRectangale {
	float a, b;
};

void main()
{
	SSquare squares[20];
	SRectangale rectangles[20];
	cout << "How many squares do we have: "<<endl;
	int nS;
	cin >> nS;
	for (int i = 0; i < nS;i++) {
		cout << "Size of sqare "<< i+1<<endl;
		cin >> squares[i].size;
		float area(SSquare q); {
			cout<< "Area of square number " << i + 1<<" is "<< squares[i].size * squares[i].size << endl;
		}
	}
	cout << "How many rectangles do we have: "<<endl;
	int nR;
	cin >> nR;
	for (int i = 0; i < nR;i++) {
		cout << "Size of rectangle "<<i+1<<endl;
		cin >> rectangles[i].a;
		cin >> rectangles[i].b;
		float area(SSquare q); {
			cout << "Area of rectangle number "<<i+1<<" is " << rectangles[i].a * rectangles[i].b << endl;
		}
	}
}