calc calc_lst1 calc_lst1_itm1 instruction ; assignment assign_item id c assign_op = logical_or logical_and bitwise_or bitwise_and equality relational bitwise_shift sum mult power factor number 2 mult_lst1 mult_lst1_itm1 mult_item mult_op * power factor number 4 sum_lst1 sum_lst1_itm1 sum_item add_op plus + mult power factor number 5