#include<bits/stdc++.h>
using namespace std;
int n, flag;
int cnt1, cnt2;
string str;
int size(int num) {
	int ans = 0;
	if(num <= 0) {
		ans = 1;
		num = abs(num);
	}
	else ans = 0;
	while(num != 0)
		num /= 10, ans += 1;
	return ans;
}
int main() {
	cin >> n;
	getchar();
	for(int i = 1; i <= n; i++) {
		getline(cin, str);
		if(str[0] == 'a') {
			flag = 1, cnt1 = cnt2 = 0;
			bool sign = false;
			for(int j = 2; j <= str.size() - 1; j++) {
				if(str[j] == ' ') {
					sign = true;
					continue;
				}
				else if(sign == true) cnt2 = cnt2 * 10 + str[j] - '0';
				else cnt1 = cnt1 * 10 + str[j] - '0';
			}
			cout << cnt1 << '+' << cnt2 << '=' << cnt1 + cnt2 << endl;
			cout << str.size() - 1 + size(cnt1 + cnt2) << endl;
		}
		else if(str[0] == 'b') {
			flag = 2, cnt1 = cnt2 = 0;
			bool sign = false;
			for(int j = 2; j <= str.size() - 1; j++) {
				if(str[j] == ' ') {
					sign = true;
					continue;
				}
				else if(sign == true) cnt2 = cnt2 * 10 + str[j] - '0';
				else cnt1 = cnt1 * 10 + str[j] - '0';
			}
			cout << cnt1 << '-' << cnt2 << '=' << cnt1 - cnt2 << endl;
			cout << str.size() - 1 + size(cnt1 - cnt2) << endl;
		}
		else if(str[0] == 'c') {
			flag = 2, cnt1 = cnt2 = 0;
			bool sign = false;
			for(int j = 2; j <= str.size() - 1; j++) {
				if(str[j] == ' ') {
					sign = true;
					continue;
				}
				else if(sign == true) cnt2 = cnt2 * 10 + str[j] - '0';
				else cnt1 = cnt1 * 10 + str[j] - '0';
			}
			cout << cnt1 << '*' << cnt2 << '=' << cnt1 * cnt2 << endl;
			cout << str.size() - 1 + size(cnt1 * cnt2) << endl;
		}
		else {
			if(flag == 1) {
				flag = 1, cnt1 = cnt2 = 0;
				bool sign = false;
				for(int j = 2; j <= str.size() - 1; j++) {
					if(str[j] == ' ') {
						sign = true;
						continue;
					}
					else if(sign == true) cnt2 = cnt2 * 10 + str[j] - '0';
					else cnt1 = cnt1 * 10 + str[j] - '0';
				}
				cout << cnt1 << '+' << cnt2 << '=' << cnt1 + cnt2 << endl;
				cout << str.size() - 1 + size(cnt1 + cnt2) << endl;
			}
			else if(flag == 2) {
				flag = 2, cnt1 = cnt2 = 0;
				bool sign = false;
				for(int j = 2; j <= str.size() - 1; j++) {
					if(str[j] == ' ') {
						sign = true;
						continue;
					}
					else if(sign == true) cnt2 = cnt2 * 10 + str[j] - '0';
					else cnt1 = cnt1 * 10 + str[j] - '0';
				}
				cout << cnt1 << '-' << cnt2 << '=' << cnt1 - cnt2 << endl;
				cout << str.size() - 1 + size(cnt1 - cnt2) << endl;
			}
			else if(flag == 3) {
				flag = 1, cnt1 = cnt2 = 0;
				bool sign = false;
				for(int j = 2; j <= str.size() - 1; j++) {
					if(str[j] == ' ') {
						sign = true;
						continue;
					}
					else if(sign == true) cnt2 = cnt2 * 10 + str[j] - '0';
					else cnt1 = cnt1 * 10 + str[j] - '0';
				}
				cout << cnt1 << '*' << cnt2 << '=' << cnt1 * cnt2 << endl;
				cout << str.size() - 1 + size(cnt1 * cnt2) << endl;
			}
		}
	}
	return 0;
}

最后7、8、9、10个点错误