8
2 4 6 8
>: 1 2 3 4 5
NB. *: 1 2 3 4
NB. 1 2 3 + 10 20 30
NB. 1 + 10 20 30
NB. 1 2 3 + 10
NB. 5 + 6 * 10
NB. (7 + 2)
NB. (1 + 3) * (4 * 9)
NB. 9
NB. 4 * 8
NB. 120
NB. 1301
NB. 10942942