test.c

#include <stdio.h>

/* Program to evaluate simple expressions (value operator value)*/
int main() {

	float value1, value2;
	char operator;

	for (int count = 1; count <= 3; count++) {
		printf("What are your value opreator and value (seperate with Enter)?\n");
		scanf("%f %c %f", &value1, &operator, &value2);

		switch (operator) {
			case '+':
				printf("%.2f\n", value1 + value2);
				break;
			case '-':
				printf("%.2f\n", value1 - value2);
				break;
			case '*':
				printf("%.2f\n", value1 * value2);
				break;
			case '\/':
				if (value2 == 0) {
					printf("Division by zero!\n");
				}
				else {
					printf("%.2f\n", value1 / value2);
				}
				break;
			default:
				printf("Invalid value!\n");
		}
	}

	return 0;

}