Math and most programming languages, including J, use parentheses to control the evaluation of a sentence. If a sentence is fully parenthesized then the order of evaluation is identical in most languages and is independent of verb precedence or any other rules.
2 + (3 * 4) 14 (2 + 3) * 4 20 10 - (4 - 3) 9 (10 - 4) - 3 3
There isn't any confusion about these answers.