C Language program to take a number as input and calculate the square of that number

Following program shows how to take a number as input and calculate the square of that number.
In this program we get input from user and prints square of that number using following formula
Square of number = input X input

#include <stdio.h>
int main() {
	int input;
	printf("Please enter a number:");
	scanf("%d", &input);

	int result = input * input;

	printf("Squre of %d is %d", input, result);
}

Output:

Please enter a number: 12
Squre of 12 is 144