Math

Configuration	Value
Required	Toggle on/off if required
Label	Describes the purpose of the input to the user. Labels remain visible even after completing the field
Tooltip	A short description that appears when the user holds the mouse pointer briefly over the question mark without clicking
Formula	The math formula that you will be using. Insert values from other inputs using the template {{ }} syntax

Example: You want to add sum the value from 2 other inputs, inputs ID 897 and 898. In the Math input formula configuration, insert

{{ 897 }} + {{ 898 }}

For more advanced use cases involving complicated formulas, please see what's possible with the Math.js documentation