ejecutar en la raiz del repo
mvn clean package
java -jar .\target\rest-service-0.0.1-SNAPSHOT.jar
input { "entrada" : "5+9" }
output { "input" : "5+9", "output" : "14.0" }
input { "entrada" : "sesion3" }
output { "input" : "5+9", "output" : "14.0" }