echo $(( 16#deadbeef / 1003 ))

yumi=deadbeef
echo $(( 16#$yumi / 1003 ))

B=20
yumi=deadbeef
echo $(( $B#$yumi / 1003 ))

# test that << within an expression doesn't false positively as a heredoc...
(( 19 << 42 ))
printf 'Line 1\n'
printf 'Line 2\n'

fubar=42
(( x = 19 * fubar / 2 ))
