To use the MUL Function
MUL(TagTag1,TagTag2,Tag)Tag3)
Tag1 * Tag2 * Tag3
MUL(Demo-influxdb/DEMO_01TI031.PV,Demo-influxdb/DEMO_01TI032.PV,Demo-influxdb/DEMO_01TI021.PV)
...
To use the MUL Function
MUL(TagTag1,TagTag2,Tag)Tag3)
Tag1 * Tag2 * Tag3
MUL(Demo-influxdb/DEMO_01TI031.PV,Demo-influxdb/DEMO_01TI032.PV,Demo-influxdb/DEMO_01TI021.PV)
...