Script started on Mon Oct  6 12:18:20 2003
sh-2.02$ echo 3 + 4
3 + 4
sh-2.02$ echo 3+4
3+4
sh-2.02$ echo `expr 3 + 4`
7
sh-2.02$ echo `expr 3+4`
3+4
sh-2.02$ exit
exit

script done on Mon Oct  6 12:21:45 2003