Arithmetic tree clarification

33 Views Asked by At
                    +
                   / \
                 -    6
               /  \     
              +   (Java)/
            /  \     / \
           4    *    5  +
               / \     / \
              3   7    3  4

Given this arithmetic tree, what would the result be?

The answer I got is 30, but I wasn't sure the order in which are done.for example, 3+4 = 7, then should I divide 5/7? or 7/5? that would make a difference in the result..