Multiply two positive numbers without using “*” operator

/*Multiply two positive numbers without using * operator*/
#include<stdio.h>
int main(void)
{
	int a,b,i;
	int result=0;
	printf("Enter two numbers to be multiplied : ");
	scanf("%d%d",&a,&b);
	for(i=1; i<=b; i++)
		result=result+a;
	printf("%d * %d = %d\n",a,b,result);
	return 0;
}