printf("%d\n",100 * 3.1);
print "10.1 Manipulation\n";
printf("%d\n",100 * 10.1);
$c=sprintf("%d\n",100 * 10.1);
printf("%.0f\n",100 * 10.1);
print $c;

print "5.1 Manipulation\n";
printf("%d\n",100 * 5.1);
$d=sprintf("%d\n",100 * 5.1);
printf("%.0f\n",100 * 5.1);
print $d;