How do I ... C++ C++

#include<stdio.h>

int Addition(int A, int B);
int Multiplication(int A, int B);
int Division(int A, int B);
int Subtraction(int A, int B);

int main()
{
	float A,B,entered,Addition,Multiplication;
	
		printf("\nPlease enter First Number (Non-Zero Value): ");
		scanf("%f",&A);
		printf("\nPlease enter Second Number (Non-Zero Value): ");
		scanf("%f",&B);
	
	
	printf("Which math operation do you want to run?\n----------------------------------------");
	printf("\n1) Addition\n2) Multiplication\n3) Division\n4) Subtraction\n----------------------------------------");
	printf("\nPlease enter 1 for Addition, 2 for Multiplication,\n3 for Division, 4 for Subtraction: ");
	scanf("%f", &entered);

	return 0;
}

int Addition(int A, int B)
{
	int result;
	result=A+B;
	return result; 
}
int Multiplication(int A, int B)
{
	int result;
	result=A*B;
	return result;	
}
int Division(int A, int B)
{
	int result;
	result=A/B;
	return result;	
}
int Subtraction(int A, int B)
{
	int result;
	result=A*B;
	return result;	
}