code: def _calculate_vector(self, operation, left, right):
          
          result = []
          if len(right) == 1:
              right = _to_numeric(right[0])
              for iteml in left:
                  iteml = _to_numeric(iteml)
                  result.append(self.binops_math[operation](iteml, right))
          elif len(left) == 1:
              left = _to_numeric(left[0])
              for itemr in right:
                  itemr = _to_numeric(itemr)
                  result.append(self.binops_math[operation](left, itemr))
          elif len(left) == len(right):
              for iteml, itemr in zip(left, right):
                  iteml = _to_numeric(iteml)
                  itemr = _to_numeric(itemr)
                  result.append(self.binops_math[operation](iteml, itemr))
          else:
              raise FilteringRuleException("Uneven length of math operation '{}' operands".format(operation))
          return result
docs: Calculate vector result from two list operands with given mathematical operation.