SUM for colum1 and filter

Elastic Stack Kibana
10

hi i tried this with MARKDOWN and it almost worked. I say Almost, if I just delete the variable "all", the other variable shows it is progress but not satisfactory. Could you help me because it does not take the second variable and the mathematical operation is performed.

var_set "running" 
  value={filters | essql query="SELECT SUM(duration) AS part FROM \"data-*\" WHERE QUERY ('ptx') AND status ='AUTO'" | getCell column="part "}
var_set "total" 
  value={filters | essql query="SELECT SUM(duration) AS time FROM \"data-*\" WHERE QUERY ('ptx') " | getCell column="time "}
| filters
| markdown {var "running/ total"}
  font={font align="center" color="#444444" family="'Open Sans', Helvetica, Arial, sans-serif" italic=false size=30 underline=false weight="bold"}
| render