#include <stdio.h>

int main(void) {
    printf("7+8 = %d\n", 7+8);
    printf("7-8 = %d\n", 7-8);
    printf("7*8 = %d\n", 7*8);
    printf("7/8 = %d\n", 7/8);
    return 0;
}

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