[Bugfix] fixed eval to string and to bigdeciaml

atms-api/src/main/java/pwc/taxtech/atms/vat/service/impl/report/functions/BB.java

@@ -109,7 +109,10 @@ public class BB extends FunctionBase implements FreeRefFunction {
                             ((ErrorEval) eval).getErrorCode(), ((ErrorEval) eval).getErrorString());
                     if (!dss.isEmpty()) cellValue = dss.get(0).getAmount();
                 } else {
-                    cellValue = new BigDecimal(OperandResolver.coerceValueToDouble(eval));
+                    String evalStr = OperandResolver.coerceValueToString(eval);
+                    logger.debug("[BB_debug] eval other cell value {}", evalStr);
+                    cellValue = new BigDecimal(evalStr).setScale(4,
+                            BigDecimal.ROUND_HALF_DOWN);
                     if (!dss.isEmpty())
                         cellValue = cellValue.add(dss.get(0).getAmount());
                 }