#include<iostream>
#include<string>
using namespace std;
char m;//m表示运算类型
int main()
{
   int n;
   cin >> n;
   string s;
   getline(cin, s);
   for(int k = 0;k< n; k++) {
   	int start = 0,flag=0;
   	int num1 = 0; int num2 = 0;
   	int num3 = 0;
   	string res;
   	getline(cin, s);
   	if (s[0] == 'a' || s[0] == 'b' || s[0] == 'c') { 
   		m = s[0];
   		start = 2;
   	}
   	for (int i = start; i < s.length(); i++) {
   		if (s[i] == ' ') {
   			flag = i+1;
   			break;
   		}
   		num1 = num1 * 10 + (int)s[i]-'0';
   	}
   	for (int i = flag; i < s.length(); i++) {
   		num2 = num2 * 10 + (int)s[i]-'0';
   	}
   	//num1和num2以及运算类型都确定了
   	res += to_string(num1);
   	if (m == 'a') {
   		num3 = num1 + num2;
   		res += '+';
   	}
   	else if (m == 'b') {
   		num3 = num1 - num2;
   		res += '-';
   	}
   	else if (m == 'c') {
   		num3 = num1 * num2;
   		res += '*';
   	}
   	res += to_string(num2);
   	res += '=';
   	res += to_string(num3);
   	cout << res << endl;
   	cout << res.length() << endl;
   }
   system("pause");
   return 0;
}                                 ```