#include <iostream> using namespace std; int main() { int x = 100; double f = 98.6; double f2 = 123456.0; double f3 = 1234567.0; cout << "f, f2, and f3 in default floating-point format:\n"; cout << "f: " << f << " f2: " << f2 << " f3: " << f3 << endl; return 0; }