https://tomcat.apache.org/tomcat-10.1-doc/api/org/apache/el/lang/ELArithmetic.BigDecimalDelegate.html
ELArithmetic.BigDecimalDelegate (Apache Tomcat 10.1.55 API Documentation)
declaration: package: org.apache.el.lang, class: ELArithmetic, class: BigDecimalDelegate
apache tomcatapidocumentation