code: function() {
                  var m, a, op, operation;
                  m = $(this.operand);
                  if (m) {
                      while ((op = ($('/') || $('*') || $('%'))) && (a = $(this.operand))) {
                          operation = new tree.Operation(op, [operation || m, a], memo, env.filename);
                      }
                      return operation || m;
                  }
              }
docs: This is a misnomer because it actually handles multiplication and division.