#include<bits/stdc++.h>
using namespace std;

int a, b, c, n;
char st;

void work(){
	char str[11];
	scanf("%s",str);
	bool mark = 1;
	int la = 0, lb = 0, lc = 0;
	if(str[0] >= 'a' && str[0] <= 'c') st = str[0];
	else{
		a = 0;
		mark = 0;
		for(int i=0;i<strlen(str);i++){
			a *= 10;
			a += str[i] - '0';
		}
	}
	if(mark) scanf("%d",&a); scanf("%d",&b);
	
	int bb = b, aa = a;
	while(bb){bb /= 10; lb ++;}
	while(aa){aa /= 10; la ++;}
	if(!a) la ++; if(!b) lb ++;
	
	if(st == 'a'){
		c = a + b;
		int cc = c;
		while(cc){cc /= 10; lc ++;}
		if(c <= 0) lc ++;		
		printf("%d+%d=%d\n%d\n",a,b,c,2+la+lb+lc);
	}else if(st == 'b'){
		c = a - b;
		int cc = c;
		while(cc){cc /= 10; lc ++;}
		if(c <= 0) lc ++;
		printf("%d-%d=%d\n%d\n",a,b,c,2+la+lb+lc);
	}else{
		c = a * b;
		int cc = c;
		while(cc){cc /= 10; lc ++;}
		if(c <= 0) lc ++;
		printf("%d*%d=%d\n%d\n",a,b,c,2+la+lb+lc);
	}
}

int main(){
	scanf("%d",&n);
	while(n--)work();
	return 0;
}