#include
using namespace std;
int main()
{
float length, width;
cout << "请输入长度:";
cin >> length;
cin.ignore(1024, '\n');
cout << "请输入宽度:";
cin >> width;
cin.ignore(1024, '\n');
cout << "长加宽的值:" << (length + width) << endl;
cout << "长乘宽的值:" << (length * width) << endl;
cout << "长除宽的值:" << (length / width) << endl;
system("pause");
return 0;
}
int length,width;
cin>>length>>width;
cout<