$1: VARSET X 3
$2: VARSET Y 4
$3: VARSET Z $4
$4: ADD $5 $6
$5: VARGET X
$6: VARGET Y
$7: DIV $8 $9
$8: VARGET Z
$9: SUB $10 $11
$10: VARGET X
$11: VARGET Y
-7